diff --git a/dbms/include/DB/Common/SipHash.h b/dbms/include/DB/Common/SipHash.h
index bcfe81b93ed..2892929fc09 100644
--- a/dbms/include/DB/Common/SipHash.h
+++ b/dbms/include/DB/Common/SipHash.h
@@ -12,7 +12,7 @@
   */
 
 #include <stdint.h>
-
+#include <cstdlib>
 
 #define ROTL(x,b) (u64)( ((x) << (b)) | ( (x) >> (64 - (b))) )