diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/dialogs/cpaths/CPathIncludeSymbolEntryPage.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/dialogs/cpaths/CPathIncludeSymbolEntryPage.java
index 8daf62561a8..eadb3ac6c44 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/dialogs/cpaths/CPathIncludeSymbolEntryPage.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/dialogs/cpaths/CPathIncludeSymbolEntryPage.java
@@ -549,6 +549,9 @@ public class CPathIncludeSymbolEntryPage extends CPathBasePage {
 	}
 
 	private boolean canMove(List selected) {
+		if (selected.size() == 0) {
+			return false;
+		}
 		for (int i = 0; i < selected.size(); i++) {
 			Object element = selected.get(i);
 			if (! (element instanceof CPElement))