diff --git a/Source/cmNinjaNormalTargetGenerator.cxx b/Source/cmNinjaNormalTargetGenerator.cxx
index f65abc8391..b7b822ab1b 100644
--- a/Source/cmNinjaNormalTargetGenerator.cxx
+++ b/Source/cmNinjaNormalTargetGenerator.cxx
@@ -85,6 +85,7 @@ void cmNinjaNormalTargetGenerator::Generate()
     this->WriteLinkStatement();
   }
 
+  // Find ADDITIONAL_CLEAN_FILES
   this->AdditionalCleanFiles();
 }
 
diff --git a/Source/cmNinjaUtilityTargetGenerator.cxx b/Source/cmNinjaUtilityTargetGenerator.cxx
index 1225cbdf33..e774b53b53 100644
--- a/Source/cmNinjaUtilityTargetGenerator.cxx
+++ b/Source/cmNinjaUtilityTargetGenerator.cxx
@@ -135,6 +135,9 @@ void cmNinjaUtilityTargetGenerator::Generate()
     gg->WriteBuild(this->GetBuildFileStream(), phonyBuild);
   }
 
+  // Find ADDITIONAL_CLEAN_FILES
+  this->AdditionalCleanFiles();
+
   // Add an alias for the logical target name regardless of what directory
   // contains it.  Skip this for GLOBAL_TARGET because they are meant to
   // be per-directory and have one at the top-level anyway.