diff --git a/src/plugins/cmakeprojectmanager/makestep.cpp b/src/plugins/cmakeprojectmanager/makestep.cpp
index aa221364e95..f5cae7b52d2 100644
--- a/src/plugins/cmakeprojectmanager/makestep.cpp
+++ b/src/plugins/cmakeprojectmanager/makestep.cpp
@@ -159,7 +159,7 @@ BuildStepConfigWidget *MakeStep::createConfigWidget()
 
 bool MakeStep::immutable() const
 {
-    return true;
+    return false;
 }
 
 void MakeStep::stdOutput(const QString &line)