diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/ManagedBuildGnuToolInfo.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/ManagedBuildGnuToolInfo.java
index 00f3b5442c7..9d40be7e912 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/ManagedBuildGnuToolInfo.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/makegen/gnu/ManagedBuildGnuToolInfo.java
@@ -179,9 +179,9 @@ public class ManagedBuildGnuToolInfo implements IManagedBuildGnuToolInfo {
 						}
 						//myCommandInputs.add(inputs);
 						if (primaryInput) {
-							myCommandDependencies.add(0, inputs);
+							myCommandDependencies.addAll(0, inputs);
 						} else {
-							myCommandDependencies.add(inputs);
+							myCommandDependencies.addAll(inputs);
 						}
 						//myEnumeratedInputs.add(inputs);
 					} catch( BuildException ex ) {