diff --git a/dstep/translator/Identifier.d b/dstep/translator/Identifier.d
new file mode 100644
index 00000000..baf090e1
--- /dev/null
+++ b/dstep/translator/Identifier.d
@@ -0,0 +1,173 @@
+/**
+ * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
+ */
+module dstep.translator.Identifier;
+
+bool isDKeyword (string str)
+{
+    switch (str)
+    {
+        case "abstract":
+        case "alias":
+        case "align":
+        case "asm":
+        case "assert":
+        case "auto":
+
+        case "body":
+        case "bool":
+        case "break":
+        case "byte":
+
+        case "case":
+        case "cast":
+        case "catch":
+        case "cdouble":
+        case "cent":
+        case "cfloat":
+        case "char":
+        case "class":
+        case "const":
+        case "continue":
+        case "creal":
+
+        case "dchar":
+        case "debug":
+        case "default":
+        case "delegate":
+        case "delete":
+        case "deprecated":
+        case "do":
+        case "double":
+
+        case "else":
+        case "enum":
+        case "export":
+        case "extern":
+
+        case "false":
+        case "final":
+        case "finally":
+        case "float":
+        case "for":
+        case "foreach":
+        case "foreach_reverse":
+        case "function":
+
+        case "goto":
+
+        case "idouble":
+        case "if":
+        case "ifloat":
+        case "import":
+        case "in":
+        case "inout":
+        case "int":
+        case "interface":
+        case "invariant":
+        case "ireal":
+        case "is":
+
+        case "lazy":
+        case "long":
+
+        case "macro":
+        case "mixin":
+        case "module":
+
+        case "new":
+        case "nothrow":
+        case "null":
+
+        case "out":
+        case "override":
+
+        case "package":
+        case "pragma":
+        case "private":
+        case "protected":
+        case "public":
+        case "pure":
+
+        case "real":
+        case "ref":
+        case "return":
+
+        case "scope":
+        case "shared":
+        case "short":
+        case "static":
+        case "struct":
+        case "super":
+        case "switch":
+        case "synchronized":
+
+        case "template":
+        case "this":
+        case "throw":
+        case "true":
+        case "try":
+        case "typedef":
+        case "typeid":
+        case "typeof":
+
+        case "ubyte":
+        case "ucent":
+        case "uint":
+        case "ulong":
+        case "union":
+        case "unittest":
+        case "ushort":
+
+        case "version":
+        case "void":
+        case "volatile":
+
+        case "wchar":
+        case "while":
+        case "with":
+
+        case "__FILE__":
+        case "__LINE__":
+        case "__DATE__":
+        case "__TIME__":
+        case "__TIMESTAMP__":
+        case "__VENDOR__":
+        case "__VERSION__":
+            return true;
+
+        default: break;
+    }
+
+    if (true /*D2*/)
+    {
+        switch (str)
+        {
+            case "immutable":
+            case "nothrow":
+            case "pure":
+            case "shared":
+
+            case "__gshared":
+            case "__thread":
+            case "__traits":
+
+            case "__EOF__":
+                return true;
+
+            default: return str.length && str[0] == '@';
+        }
+    }
+
+    return false;
+}
+
+string renameDKeyword (string str)
+{
+    return str ~ '_';
+}
+
+string translateIdentifier (string str)
+{
+    return isDKeyword(str) ? renameDKeyword(str) : str;
+}
diff --git a/dstep/translator/Options.d b/dstep/translator/Options.d
index d1ec6d68..7d9af330 100644
--- a/dstep/translator/Options.d
+++ b/dstep/translator/Options.d
@@ -9,6 +9,7 @@ module dstep.translator.Options;
 import clang.Util;
 
 import dstep.translator.ConvertCase;
+import dstep.translator.Identifier;
 
 enum Language
 {
@@ -103,12 +104,14 @@ string fullModuleName(string packageName, string path, bool normalize = true)
     if (normalize)
     {
         auto segments = moduleName.split!(x => x == '.');
-        auto normalized = segments.map!(x => x.toUTF8.toSnakeCase).join('.');
-        return only(packageName, normalized).join('.');
+        auto normalizedSegments = segments.map!(x => translateIdentifier(x.toUTF8.toSnakeCase));
+        return chain(only(packageName), normalizedSegments).join('.');
     }
     else
     {
-        return only(packageName, moduleName.toUTF8).join('.');
+        auto segments = moduleName.split!(x => x == '.');
+        auto translatedSegments = segments.map!(x => translateIdentifier(x.toUTF8));
+        return chain(only(packageName), translatedSegments).join('.');
     }
 }
 
@@ -131,7 +134,11 @@ unittest
 
     assert(fullModuleName("pkg", "FooBarBaz.ext") == "pkg.foo_bar_baz");
     assert(fullModuleName("pkg", "FooBar.BazQux.ext") == "pkg.foo_bar.baz_qux");
+    assert(fullModuleName("pkg", "in.h") == "pkg.in_");
+    assert(fullModuleName("pkg", "foo-in.h") == "pkg.foo.in_");
 
     assert(fullModuleName("pkg", "FooBarBaz.ext", false) == "pkg.FooBarBaz");
     assert(fullModuleName("pkg", "FooBar.BazQux.ext", false) == "pkg.FooBar.BazQux");
+    assert(fullModuleName("pkg", "in.h", false) == "pkg.in_");
+    assert(fullModuleName("pkg", "foo-in.h", false) == "pkg.foo.in_");
 }
diff --git a/dstep/translator/Translator.d b/dstep/translator/Translator.d
index 2555aa40..234a389c 100644
--- a/dstep/translator/Translator.d
+++ b/dstep/translator/Translator.d
@@ -33,6 +33,7 @@ import dstep.translator.Record;
 import dstep.translator.Type;
 import dstep.translator.TypeInference;
 
+public import dstep.translator.Identifier;
 public import dstep.translator.Options;
 
 class TranslationException : DStepException
@@ -498,172 +499,3 @@ void handleInclude (Context context, Type type)
         context.includeHandler.addInclude(type.declaration.path);
     }
 }
-
-bool isDKeyword (string str)
-{
-    switch (str)
-    {
-        case "abstract":
-        case "alias":
-        case "align":
-        case "asm":
-        case "assert":
-        case "auto":
-
-        case "body":
-        case "bool":
-        case "break":
-        case "byte":
-
-        case "case":
-        case "cast":
-        case "catch":
-        case "cdouble":
-        case "cent":
-        case "cfloat":
-        case "char":
-        case "class":
-        case "const":
-        case "continue":
-        case "creal":
-
-        case "dchar":
-        case "debug":
-        case "default":
-        case "delegate":
-        case "delete":
-        case "deprecated":
-        case "do":
-        case "double":
-
-        case "else":
-        case "enum":
-        case "export":
-        case "extern":
-
-        case "false":
-        case "final":
-        case "finally":
-        case "float":
-        case "for":
-        case "foreach":
-        case "foreach_reverse":
-        case "function":
-
-        case "goto":
-
-        case "idouble":
-        case "if":
-        case "ifloat":
-        case "import":
-        case "in":
-        case "inout":
-        case "int":
-        case "interface":
-        case "invariant":
-        case "ireal":
-        case "is":
-
-        case "lazy":
-        case "long":
-
-        case "macro":
-        case "mixin":
-        case "module":
-
-        case "new":
-        case "nothrow":
-        case "null":
-
-        case "out":
-        case "override":
-
-        case "package":
-        case "pragma":
-        case "private":
-        case "protected":
-        case "public":
-        case "pure":
-
-        case "real":
-        case "ref":
-        case "return":
-
-        case "scope":
-        case "shared":
-        case "short":
-        case "static":
-        case "struct":
-        case "super":
-        case "switch":
-        case "synchronized":
-
-        case "template":
-        case "this":
-        case "throw":
-        case "true":
-        case "try":
-        case "typedef":
-        case "typeid":
-        case "typeof":
-
-        case "ubyte":
-        case "ucent":
-        case "uint":
-        case "ulong":
-        case "union":
-        case "unittest":
-        case "ushort":
-
-        case "version":
-        case "void":
-        case "volatile":
-
-        case "wchar":
-        case "while":
-        case "with":
-
-        case "__FILE__":
-        case "__LINE__":
-        case "__DATE__":
-        case "__TIME__":
-        case "__TIMESTAMP__":
-        case "__VENDOR__":
-        case "__VERSION__":
-            return true;
-
-        default: break;
-    }
-
-    if (true /*D2*/)
-    {
-        switch (str)
-        {
-            case "immutable":
-            case "nothrow":
-            case "pure":
-            case "shared":
-
-            case "__gshared":
-            case "__thread":
-            case "__traits":
-
-            case "__EOF__":
-                return true;
-
-            default: return str.length && str[0] == '@';
-        }
-    }
-
-    return false;
-}
-
-string renameDKeyword (string str)
-{
-    return str ~ '_';
-}
-
-string translateIdentifier (string str)
-{
-    return isDKeyword(str) ? renameDKeyword(str) : str;
-}