diff --git a/src/modules/hellohook.c b/src/modules/hellohook.c
index 7ab78ed07..b451bd975 100644
--- a/src/modules/hellohook.c
+++ b/src/modules/hellohook.c
@@ -47,7 +47,7 @@ void clientChangeCallback(RedisModuleCtx *ctx, RedisModuleEvent e, uint64_t sub,
     printf("Client %s event for client #%llu %s:%d\n",
         (sub == REDISMODULE_SUBEVENT_CLIENT_CHANGE_CONNECTED) ?
             "connection" : "disconnection",
-        ci->id,ci->addr,ci->port);
+        (unsigned long long)ci->id,ci->addr,ci->port);
 }
 
 void flushdbCallback(RedisModuleCtx *ctx, RedisModuleEvent e, uint64_t sub, void *data)
diff --git a/src/modules/testmodule.c b/src/modules/testmodule.c
index 5381380e5..5634530dd 100644
--- a/src/modules/testmodule.c
+++ b/src/modules/testmodule.c
@@ -220,7 +220,7 @@ int TestNotifications(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
     } else {
         rep = RedisModule_CallReplyStringPtr(r, &sz);
         if (sz != 1 || *rep != '1') {
-            FAIL("Got reply '%.*s'. expected '1'", sz, rep);
+            FAIL("Got reply '%.*s'. expected '1'", (int)sz, rep);
         }
     }
     /* For l we expect nothing since we didn't subscribe to list events */
@@ -235,7 +235,7 @@ int TestNotifications(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
     } else {
         rep = RedisModule_CallReplyStringPtr(r, &sz);
         if (sz != 1 || *rep != '2') {
-            FAIL("Got reply '%.*s'. expected '2'", sz, rep);
+            FAIL("Got reply '%.*s'. expected '2'", (int)sz, rep);
         }
     }