diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index aaf0d6794919e396788dc5856bcd00387cc53963..da95b19f81c4078943859ec297fb2f523d0e23fe 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -2987,7 +2987,7 @@ void cmLocalGenerator::WriteUnitySourceInclude(
     unity_file << *beforeInclude << "\n";
   }
 
-  unity_file << "// NOLINTNEXTLINE(bugprone-suspicious-include)\n";
+  unity_file << "/* NOLINTNEXTLINE(bugprone-suspicious-include) */\n";
   unity_file << "#include \"" << sf_full_path << "\"\n";
 
   if (afterInclude) {