diff --git a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/core/makefile/gnu/IUnExport.java b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/core/makefile/gnu/IUnExport.java
index d6b79932293..1bcff43e5f1 100644
--- a/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/core/makefile/gnu/IUnExport.java
+++ b/build/org.eclipse.cdt.make.core/src/org/eclipse/cdt/make/core/makefile/gnu/IUnExport.java
@@ -10,9 +10,12 @@
 ***********************************************************************/
 package org.eclipse.cdt.make.core.makefile.gnu;
 
+import org.eclipse.cdt.make.core.makefile.IDirective;
+
 /**
  */
-public interface IUnExport {
+public interface IUnExport extends IDirective {
 	
 	String getVariable();
-}
\ No newline at end of file
+}
+