diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Target.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Target.java
index c9d5d99c44a..ac234b25306 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Target.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Target.java
@@ -880,6 +880,7 @@ public class Target extends BuildObject implements ITarget {
 	public void setArtifactName(String name) {
 		if (name != null) {
 			artifactName = name;
+			setRebuildState(true);
 			isDirty = true;
 		}
 	}
@@ -904,6 +905,7 @@ public class Target extends BuildObject implements ITarget {
 	public void setMakeArguments(String makeArgs) {
 		if (makeArgs != null && !getMakeArguments().equals(makeArgs)) {
 			makeArguments = makeArgs;
+			setRebuildState(true);
 			isDirty = true;
 		}
 	}
@@ -914,6 +916,7 @@ public class Target extends BuildObject implements ITarget {
 	public void setMakeCommand(String command) {
 		if (command != null && !getMakeCommand().equals(command)) {
 			makeCommand = command;
+			setRebuildState(true);
 			isDirty = true;
 		}
 	}