diff --git a/packages/assessment/src/pages/QumlTest.js b/packages/assessment/src/pages/QumlTest.js
index 7b37eaa4..f43e5397 100644
--- a/packages/assessment/src/pages/QumlTest.js
+++ b/packages/assessment/src/pages/QumlTest.js
@@ -97,7 +97,7 @@ export default function QumlTest({
     window.addEventListener(
       "message",
       (event) => {
-        if (event.origin !== QUMLBaseURL) return;
+        if (event.origin !== process.env.REACT_APP_QUMLBaseURL) return;
         startAssessment(event.data);
       },
       false
diff --git a/packages/mylearning/public/players/pdf/assets/pdfjs/web/viewer.html b/packages/mylearning/public/players/pdf/assets/pdfjs/web/viewer.html
index e61de14a..7cc6a445 100644
--- a/packages/mylearning/public/players/pdf/assets/pdfjs/web/viewer.html
+++ b/packages/mylearning/public/players/pdf/assets/pdfjs/web/viewer.html
@@ -277,7 +277,12 @@
 
             <button
               id="scrollVertical"
-              class="secondaryToolbarButton scrollModeButtons scrollVertical toggled"
+              class="
+                secondaryToolbarButton
+                scrollModeButtons
+                scrollVertical
+                toggled
+              "
               title="Use Vertical Scrolling"
               tabindex="62"
               data-l10n-id="scroll_vertical"
@@ -311,7 +316,12 @@
 
             <button
               id="spreadNone"
-              class="secondaryToolbarButton spreadModeButtons spreadNone toggled"
+              class="
+                secondaryToolbarButton
+                spreadModeButtons
+                spreadNone
+                toggled
+              "
               title="Do not join page spreads"
               tabindex="65"
               data-l10n-id="spread_none"