diff --git a/mozilla/layout/base/nsCSSFrameConstructor.cpp b/mozilla/layout/base/nsCSSFrameConstructor.cpp
index ba88d70f361..4b5d364587c 100644
--- a/mozilla/layout/base/nsCSSFrameConstructor.cpp
+++ b/mozilla/layout/base/nsCSSFrameConstructor.cpp
@@ -7003,7 +7003,7 @@ nsCSSFrameConstructor::ConstructFrameInternal( nsIPresShell*            aPresShe
   // do it now, when constructing frames.  See bug 115291.
   {
     const nsStyleVisibility *vis;
-    GetStyleData(styleContext, &vis);
+    GetStyleData(styleContext.get(), &vis);
   }
 
   nsIFrame* lastChild = aFrameItems.lastChild;
diff --git a/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp b/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp
index ba88d70f361..4b5d364587c 100644
--- a/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp
+++ b/mozilla/layout/html/style/src/nsCSSFrameConstructor.cpp
@@ -7003,7 +7003,7 @@ nsCSSFrameConstructor::ConstructFrameInternal( nsIPresShell*            aPresShe
   // do it now, when constructing frames.  See bug 115291.
   {
     const nsStyleVisibility *vis;
-    GetStyleData(styleContext, &vis);
+    GetStyleData(styleContext.get(), &vis);
   }
 
   nsIFrame* lastChild = aFrameItems.lastChild;