diff --git a/ck-polyfill.c b/ck-polyfill.c
index 9d961595..7c82a470 100644
--- a/ck-polyfill.c
+++ b/ck-polyfill.c
@@ -373,4 +373,3 @@ int simple_hashset_is_member(simple_hashset_t set, symbol_type* key)
 }
 
 
-
diff --git a/ck-polyfill.h b/ck-polyfill.h
index d0b52eb6..df875f0b 100644
--- a/ck-polyfill.h
+++ b/ck-polyfill.h
@@ -70,6 +70,11 @@ struct ck_malloc {
      */
     int simple_hashset_is_member(simple_hashset_t set, symbol_type* key);
 
+static inline uint64_t MurmurHash64A(const void *key, int len, uint64_t seed)
+{ 
+   return 0;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 // CK Hashset section