diff --git a/mozilla/content/html/style/src/nsHTMLStyleSheet.cpp b/mozilla/content/html/style/src/nsHTMLStyleSheet.cpp
index e27c7d0b28b..99b8fc77594 100644
--- a/mozilla/content/html/style/src/nsHTMLStyleSheet.cpp
+++ b/mozilla/content/html/style/src/nsHTMLStyleSheet.cpp
@@ -2347,7 +2347,7 @@ HTMLStyleSheetImpl::ContentAppended(nsIPresContext* aPresContext,
       // determine where in the list they should be inserted...
       if (nsnull != absoluteItems.childList) {
         absoluteItems.containingBlock->AppendFrames(*aPresContext, *shell,
-                                                    nsnull,
+                                                    nsLayoutAtoms::absoluteList,
                                                     absoluteItems.childList);
       }
     }
diff --git a/mozilla/layout/html/style/src/nsHTMLStyleSheet.cpp b/mozilla/layout/html/style/src/nsHTMLStyleSheet.cpp
index e27c7d0b28b..99b8fc77594 100644
--- a/mozilla/layout/html/style/src/nsHTMLStyleSheet.cpp
+++ b/mozilla/layout/html/style/src/nsHTMLStyleSheet.cpp
@@ -2347,7 +2347,7 @@ HTMLStyleSheetImpl::ContentAppended(nsIPresContext* aPresContext,
       // determine where in the list they should be inserted...
       if (nsnull != absoluteItems.childList) {
         absoluteItems.containingBlock->AppendFrames(*aPresContext, *shell,
-                                                    nsnull,
+                                                    nsLayoutAtoms::absoluteList,
                                                     absoluteItems.childList);
       }
     }
diff --git a/mozilla/layout/style/nsHTMLStyleSheet.cpp b/mozilla/layout/style/nsHTMLStyleSheet.cpp
index e27c7d0b28b..99b8fc77594 100644
--- a/mozilla/layout/style/nsHTMLStyleSheet.cpp
+++ b/mozilla/layout/style/nsHTMLStyleSheet.cpp
@@ -2347,7 +2347,7 @@ HTMLStyleSheetImpl::ContentAppended(nsIPresContext* aPresContext,
       // determine where in the list they should be inserted...
       if (nsnull != absoluteItems.childList) {
         absoluteItems.containingBlock->AppendFrames(*aPresContext, *shell,
-                                                    nsnull,
+                                                    nsLayoutAtoms::absoluteList,
                                                     absoluteItems.childList);
       }
     }