diff --git a/bundles/org.eclipse.ui.themes/css/e4_default_gtk.css b/bundles/org.eclipse.ui.themes/css/e4_default_gtk.css
index 195c9a78739..1a46cd2d37a 100644
--- a/bundles/org.eclipse.ui.themes/css/e4_default_gtk.css
+++ b/bundles/org.eclipse.ui.themes/css/e4_default_gtk.css
@@ -226,8 +226,10 @@ CTabFolder Canvas {
 	swt-selected-highlight-top: true;
 }
 
-#org-eclipse-e4-ui-compatibility-editor Composite{
-	background-color: #ffffff;
+#org-eclipse-e4-ui-compatibility-editor Composite,
+#org-eclipse-e4-ui-compatibility-editor Composite>*
+{
+	background-color:#ffffff;
 }
 
 Composite.MPartSashContainer{
diff --git a/bundles/org.eclipse.ui.themes/css/e4_default_mac.css b/bundles/org.eclipse.ui.themes/css/e4_default_mac.css
index 542766200ef..cfbae6957a3 100644
--- a/bundles/org.eclipse.ui.themes/css/e4_default_mac.css
+++ b/bundles/org.eclipse.ui.themes/css/e4_default_mac.css
@@ -199,8 +199,10 @@ CTabFolder Canvas {
 	swt-selected-highlight-top: true;
 }
 
-#org-eclipse-e4-ui-compatibility-editor Composite{
-	background-color: #ffffff;
+#org-eclipse-e4-ui-compatibility-editor Composite,
+#org-eclipse-e4-ui-compatibility-editor Composite>*
+{
+	background-color:#ffffff;
 }
 
 Composite.MPartSashContainer{
diff --git a/bundles/org.eclipse.ui.themes/css/e4_default_win.css b/bundles/org.eclipse.ui.themes/css/e4_default_win.css
index 5b29c031379..53d132fa383 100644
--- a/bundles/org.eclipse.ui.themes/css/e4_default_win.css
+++ b/bundles/org.eclipse.ui.themes/css/e4_default_win.css
@@ -201,8 +201,10 @@ CTabFolder Canvas {
 	swt-selected-highlight-top: true;
 }
 
-#org-eclipse-e4-ui-compatibility-editor Composite{
-	background-color: #ffffff;
+#org-eclipse-e4-ui-compatibility-editor Composite,
+#org-eclipse-e4-ui-compatibility-editor Composite>*
+{
+	background-color:#ffffff;
 }
 
 Composite.MPartSashContainer{