diff --git a/rts/PrimOps.cmm b/rts/PrimOps.cmm
index 2989f29462ab2995afe7048a367e9a04e36a3468..7add8357ca9eb41c2684a24a2d83eee5a98e8be6 100644
--- a/rts/PrimOps.cmm
+++ b/rts/PrimOps.cmm
@@ -35,6 +35,9 @@ import CLOSURE ghczmprim_GHCziTypes_False_closure;
 #if defined(USE_MINIINTERPRETER) || !defined(mingw32_HOST_OS)
 import CLOSURE sm_mutex;
 #endif
+#ifdef PROFILING
+import CLOSURE CCS_MAIN;
+#endif
 
 /*-----------------------------------------------------------------------------
   Array Primitives