diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHQueries.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHQueries.java
index 456d3d46f85..ddba5f583cd 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHQueries.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/callhierarchy/CHQueries.java
@@ -51,7 +51,7 @@ public class CHQueries {
 			throws CoreException {
 		CalledByResult result= new CalledByResult();
 		ICElement callee= node.getRepresentedDeclaration();
-		if (! (callee instanceof ISourceReference)) {
+		if (!(callee instanceof ISourceReference)) {
 			return EMPTY_NODES;
 		}
 		boolean done= false;