diff --git a/mozilla/content/html/style/src/nsHTMLStyleSheet.cpp b/mozilla/content/html/style/src/nsHTMLStyleSheet.cpp
index 3a673c2a6b0..41158c8deeb 100644
--- a/mozilla/content/html/style/src/nsHTMLStyleSheet.cpp
+++ b/mozilla/content/html/style/src/nsHTMLStyleSheet.cpp
@@ -1238,6 +1238,8 @@ HTMLStyleSheetImpl::ConstructFrameByDisplayType(nsIPresContext*  aPresContext,
   switch (aDisplay->mDisplay) {
   case NS_STYLE_DISPLAY_BLOCK:
   case NS_STYLE_DISPLAY_LIST_ITEM:
+  case NS_STYLE_DISPLAY_RUN_IN:
+  case NS_STYLE_DISPLAY_COMPACT:
     rv = NS_NewBlockFrame(aContent, aParentFrame, aNewFrame, PR_FALSE);
     processChildren = PR_TRUE;
     break;
diff --git a/mozilla/layout/html/style/src/nsHTMLStyleSheet.cpp b/mozilla/layout/html/style/src/nsHTMLStyleSheet.cpp
index 3a673c2a6b0..41158c8deeb 100644
--- a/mozilla/layout/html/style/src/nsHTMLStyleSheet.cpp
+++ b/mozilla/layout/html/style/src/nsHTMLStyleSheet.cpp
@@ -1238,6 +1238,8 @@ HTMLStyleSheetImpl::ConstructFrameByDisplayType(nsIPresContext*  aPresContext,
   switch (aDisplay->mDisplay) {
   case NS_STYLE_DISPLAY_BLOCK:
   case NS_STYLE_DISPLAY_LIST_ITEM:
+  case NS_STYLE_DISPLAY_RUN_IN:
+  case NS_STYLE_DISPLAY_COMPACT:
     rv = NS_NewBlockFrame(aContent, aParentFrame, aNewFrame, PR_FALSE);
     processChildren = PR_TRUE;
     break;
diff --git a/mozilla/layout/style/nsHTMLStyleSheet.cpp b/mozilla/layout/style/nsHTMLStyleSheet.cpp
index 3a673c2a6b0..41158c8deeb 100644
--- a/mozilla/layout/style/nsHTMLStyleSheet.cpp
+++ b/mozilla/layout/style/nsHTMLStyleSheet.cpp
@@ -1238,6 +1238,8 @@ HTMLStyleSheetImpl::ConstructFrameByDisplayType(nsIPresContext*  aPresContext,
   switch (aDisplay->mDisplay) {
   case NS_STYLE_DISPLAY_BLOCK:
   case NS_STYLE_DISPLAY_LIST_ITEM:
+  case NS_STYLE_DISPLAY_RUN_IN:
+  case NS_STYLE_DISPLAY_COMPACT:
     rv = NS_NewBlockFrame(aContent, aParentFrame, aNewFrame, PR_FALSE);
     processChildren = PR_TRUE;
     break;