diff --git a/mozilla/layout/generic/nsObjectFrame.cpp b/mozilla/layout/generic/nsObjectFrame.cpp
index 177d0f7d859..f3982ac2468 100644
--- a/mozilla/layout/generic/nsObjectFrame.cpp
+++ b/mozilla/layout/generic/nsObjectFrame.cpp
@@ -54,7 +54,7 @@
 //~~~ For image mime types
 #include "net.h"
 
-//#define REFLOW_MODS
+#define REFLOW_MODS
 
 class nsObjectFrame;
 
diff --git a/mozilla/layout/html/base/src/nsObjectFrame.cpp b/mozilla/layout/html/base/src/nsObjectFrame.cpp
index 177d0f7d859..f3982ac2468 100644
--- a/mozilla/layout/html/base/src/nsObjectFrame.cpp
+++ b/mozilla/layout/html/base/src/nsObjectFrame.cpp
@@ -54,7 +54,7 @@
 //~~~ For image mime types
 #include "net.h"
 
-//#define REFLOW_MODS
+#define REFLOW_MODS
 
 class nsObjectFrame;