diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index db970c21a..458e87631 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -64,6 +64,7 @@ set(HEADERS
     V3Dfg.h
     V3DfgOptimizer.h
     V3DfgPasses.h
+    V3DfgPatternStats.h
     V3DfgPeephole.h
     V3DfgVertices.h
     V3DupFinder.h
diff --git a/src/V3DfgPatternStats.h b/src/V3DfgPatternStats.h
index 595823dce..cd511a6fc 100644
--- a/src/V3DfgPatternStats.h
+++ b/src/V3DfgPatternStats.h
@@ -14,10 +14,10 @@
 //
 //*************************************************************************
 
-#include "V3PchAstNoMT.h"
+#ifndef VERILATOR_V3DFGPATTERNSTATS_H_
+#define VERILATOR_V3DFGPATTERNSTATS_H_
 
 #include "V3Dfg.h"
-#include "V3DfgPasses.h"
 
 #include <algorithm>
 #include <map>
@@ -195,3 +195,5 @@ public:
         }
     }
 };
+
+#endif