diff --git a/src/ifcconvert/GeometrySerializer.h b/src/ifcconvert/GeometrySerializer.h
index aa5b8ef7c4..68a6b2a3d9 100644
--- a/src/ifcconvert/GeometrySerializer.h
+++ b/src/ifcconvert/GeometrySerializer.h
@@ -63,7 +63,7 @@ public:
     /// Use a negative value to use the system's default precision (should be 6 typically).
     short precision;
 
-    static const short DEFAULT_PRECISION = 15;
+    enum { DEFAULT_PRECISION = 15 };
 };
 
 class GeometrySerializer : public Serializer {