diff --git a/dom/security/sanitizer/Sanitizer.cpp b/dom/security/sanitizer/Sanitizer.cpp
index 8fc0804a7a0..4e120a8d8fd 100644
--- a/dom/security/sanitizer/Sanitizer.cpp
+++ b/dom/security/sanitizer/Sanitizer.cpp
@@ -1650,7 +1650,7 @@ static bool RemoveJavascriptNavigationURLAttribute(Element* aElement,
       return false;
     }
 
-    return value.EqualsLiteral("href") || value.EqualsLiteral("xlink:href");
+    return value.EqualsLiteral("href") || StringEndsWith(value, u":href"_ns);
   }
 
   return false;