diff --git a/layout/generic/nsFrame.cpp b/layout/generic/nsFrame.cpp
index b8e7106f2625..9601f12e0b75 100644
--- a/layout/generic/nsFrame.cpp
+++ b/layout/generic/nsFrame.cpp
@@ -601,7 +601,7 @@ nsFrame::DisplaySelection(nsIPresContext& aPresContext, PRBool isOkToTurnOn)
 								mParent->GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct*&)userinterface);
 							}
 					}
-		      if (userinterface->mUserSelect == NS_STYLE_USER_SELECT_NONE) {
+		      if (userinterface->mUserSelect != NS_STYLE_USER_SELECT_NONE) {
 		        result = PR_FALSE;
 		        isOkToTurnOn = PR_FALSE;
 		      }
diff --git a/layout/html/base/src/nsFrame.cpp b/layout/html/base/src/nsFrame.cpp
index b8e7106f2625..9601f12e0b75 100644
--- a/layout/html/base/src/nsFrame.cpp
+++ b/layout/html/base/src/nsFrame.cpp
@@ -601,7 +601,7 @@ nsFrame::DisplaySelection(nsIPresContext& aPresContext, PRBool isOkToTurnOn)
 								mParent->GetStyleData(eStyleStruct_UserInterface, (const nsStyleStruct*&)userinterface);
 							}
 					}
-		      if (userinterface->mUserSelect == NS_STYLE_USER_SELECT_NONE) {
+		      if (userinterface->mUserSelect != NS_STYLE_USER_SELECT_NONE) {
 		        result = PR_FALSE;
 		        isOkToTurnOn = PR_FALSE;
 		      }