diff --git a/Makefile.pre.in b/Makefile.pre.in
index f869c1f7c93776..9d30a9e42ad24c 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -3198,7 +3198,7 @@ Python/asm_trampoline.o: $(srcdir)/Python/asm_trampoline.S
 
 Python/emscripten_trampoline_inner.wasm: $(srcdir)/Python/emscripten_trampoline_inner.c
 	# emcc has a path that ends with emsdk/upstream/emscripten/emcc, we're looking for emsdk/upstream/bin/clang.
-	$$(dirname $$(dirname $(CC)))/bin/clang -o $@ $< -mgc -O2 -Wl,--no-entry -Wl,--import-table -Wl,--import-memory -target wasm32-unknown-unknown -nostdlib
+	$$(em-config LLVM_ROOT)/clang -o $@ $< -mgc -O2 -Wl,--no-entry -Wl,--import-table -Wl,--import-memory -target wasm32-unknown-unknown -nostdlib
 
 Python/emscripten_trampoline_wasm.c: Python/emscripten_trampoline_inner.wasm
 	$(PYTHON_FOR_REGEN) $(srcdir)/Platforms/emscripten/prepare_external_wasm.py $< $@ getWasmTrampolineModule
diff --git a/Misc/NEWS.d/next/Build/2026-04-23-06-50-03.gh-issue-148557.QpWg1H.rst b/Misc/NEWS.d/next/Build/2026-04-23-06-50-03.gh-issue-148557.QpWg1H.rst
new file mode 100644
index 00000000000000..a3a77c88b2991d
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2026-04-23-06-50-03.gh-issue-148557.QpWg1H.rst
@@ -0,0 +1 @@
+Improve build with Emscripten