diff --git a/src/redis-cli.c b/src/redis-cli.c
index 0ab6a017f..b2f7ace0e 100644
--- a/src/redis-cli.c
+++ b/src/redis-cli.c
@@ -6613,9 +6613,9 @@ static int clusterManagerCommandImport(int argc, char **argv) {
     }
 
     if (config.cluster_manager_command.flags & CLUSTER_MANAGER_CMD_FLAG_COPY)
-        strcat(cmdfmt, " %s");
+        cmdfmt = sdscat(cmdfmt," COPY");
     if (config.cluster_manager_command.flags & CLUSTER_MANAGER_CMD_FLAG_REPLACE)
-        strcat(cmdfmt, " %s");
+        cmdfmt = sdscat(cmdfmt," REPLACE");
 
     /* Use SCAN to iterate over the keys, migrating to the
      * right node as needed. */
@@ -6647,8 +6647,7 @@ static int clusterManagerCommandImport(int argc, char **argv) {
             printf("Migrating %s to %s:%d: ", key, target->ip, target->port);
             redisReply *r = reconnectingRedisCommand(src_ctx, cmdfmt,
                                                      target->ip, target->port,
-                                                     key, 0, timeout,
-                                                     "COPY", "REPLACE");
+                                                     key, 0, timeout);
             if (!r || r->type == REDIS_REPLY_ERROR) {
                 if (r && r->str) {
                     clusterManagerLogErr("Source %s:%d replied with "