diff --git a/layout/base/src/nsRangeList.cpp b/layout/base/src/nsRangeList.cpp
index 28ef6f1e115e..a76c682a9ede 100644
--- a/layout/base/src/nsRangeList.cpp
+++ b/layout/base/src/nsRangeList.cpp
@@ -1466,7 +1466,7 @@ nsRangeList::Extend(nsIDOMNode* aParentNode, PRInt32 aOffset)
   }
 
   // If we get here, the focus wasn't contained in any of the ranges.
-#ifdef DEBUG
+#ifdef DEBUG_mjudge
   printf("nsRangeList::Extend: focus not contained in any ranges\n");
 #endif
   return NS_ERROR_UNEXPECTED;