diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/language/settings/providers/LanguageSettingsProviderTab.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/language/settings/providers/LanguageSettingsProviderTab.java
index ff4d049893c..b00251a6e4c 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/language/settings/providers/LanguageSettingsProviderTab.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/language/settings/providers/LanguageSettingsProviderTab.java
@@ -1091,7 +1091,11 @@ public class LanguageSettingsProviderTab extends AbstractCPropertyTab {
 				}
 			}
 
-			updateData(getResDesc());
+			ICResourceDescription rcDescription = getResDesc();
+
+			updateData(rcDescription);
+			// update other tabs
+			masterPropertyPage.informAll(UPDATE, rcDescription);
 		}
 	}