diff --git a/build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/properties/ToolChainEditTab.java b/build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/properties/ToolChainEditTab.java
index 2ebeac43d7c..85231a8a23a 100644
--- a/build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/properties/ToolChainEditTab.java
+++ b/build/org.eclipse.cdt.managedbuilder.ui/src/org/eclipse/cdt/managedbuilder/ui/properties/ToolChainEditTab.java
@@ -390,6 +390,7 @@ public class ToolChainEditTab extends AbstractCBuildPropertyTab {
 			else
 				((IFileInfo)ri).setTools(new ITool[] {v_tools[pos]});				
 		}
+		updateData();
 	}
 	
 	private void modifyTools() {