diff --git a/src/redis.h b/src/redis.h
index 866e01f4486f04ad2ba1fb242f40d024b1ae7fa5..08a377624d41f22a4f6ef9b3e0277e65634862f9 100644
--- a/src/redis.h
+++ b/src/redis.h
@@ -815,7 +815,7 @@ setTypeIterator *setTypeInitIterator(robj *subject);
 void setTypeReleaseIterator(setTypeIterator *si);
 int setTypeNext(setTypeIterator *si, robj **objele, int64_t *llele);
 robj *setTypeNextObject(setTypeIterator *si);
-int setTypeRandomElement(robj *setobj, robj **objele, long long *llele);
+int setTypeRandomElement(robj *setobj, robj **objele, int64_t *llele);
 unsigned long setTypeSize(robj *subject);
 void setTypeConvert(robj *subject, int enc);