diff --git a/Source/cmNinjaTargetGenerator.cxx b/Source/cmNinjaTargetGenerator.cxx
index 967507ed75..3e4415a0f1 100644
--- a/Source/cmNinjaTargetGenerator.cxx
+++ b/Source/cmNinjaTargetGenerator.cxx
@@ -73,7 +73,7 @@ cmNinjaTargetGenerator::cmNinjaTargetGenerator(cmTarget* target)
 
 cmNinjaTargetGenerator::~cmNinjaTargetGenerator()
 {
-  delete MacOSXContentGenerator;
+  delete this->MacOSXContentGenerator;
 }
 
 cmGeneratedFileStream& cmNinjaTargetGenerator::GetBuildFileStream() const