diff --git a/layout/xul/base/src/nsBoxFrame.cpp b/layout/xul/base/src/nsBoxFrame.cpp
index 344c91ba5fce..46e474a9cd3e 100644
--- a/layout/xul/base/src/nsBoxFrame.cpp
+++ b/layout/xul/base/src/nsBoxFrame.cpp
@@ -898,6 +898,7 @@ nsBoxFrame::Reflow(nsIPresContext*   aPresContext,
   // in sync, if the changes are applicable there.
 
   DO_GLOBAL_REFLOW_COUNT("nsBoxFrame", aReflowState.reason);
+  DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
 
   NS_ASSERTION(aReflowState.mComputedWidth >=0 && aReflowState.mComputedHeight >= 0, "Computed Size < 0");
 
diff --git a/layout/xul/base/src/nsLeafBoxFrame.cpp b/layout/xul/base/src/nsLeafBoxFrame.cpp
index 897e5ded20a8..b1a067d97af8 100644
--- a/layout/xul/base/src/nsLeafBoxFrame.cpp
+++ b/layout/xul/base/src/nsLeafBoxFrame.cpp
@@ -223,6 +223,7 @@ nsLeafBoxFrame::Reflow(nsIPresContext*   aPresContext,
   // nsBoxFrame::Reflow in sync.
 
   DO_GLOBAL_REFLOW_COUNT("nsLeafBoxFrame", aReflowState.reason);
+  DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
 
   NS_ASSERTION(aReflowState.mComputedWidth >=0 && aReflowState.mComputedHeight >= 0, "Computed Size < 0");