diff --git a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h
index 6d709d58a2e..bf7ff14c74b 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h
+++ b/src/plugins/cmakeprojectmanager/cmakebuildconfiguration.h
@@ -121,7 +121,7 @@ public:
     AdditionalCMakeOptionsAspect();
 };
 
-class SourceDirectoryAspect final : public Utils::StringAspect
+class SourceDirectoryAspect final : public Utils::FilePathAspect
 {
     Q_OBJECT