diff --git a/components/finsh/cmd.c b/components/finsh/cmd.c
index 18f6df4a3ce97207d2465e707202ca8463effe6c..29c17da6d8c5b1e83e80cc0e7b362f33f951921b 100644
--- a/components/finsh/cmd.c
+++ b/components/finsh/cmd.c
@@ -620,7 +620,7 @@ long list(void)
              FINSH_NEXT_SYSCALL(index))
         {
 			/* skip the internal command */
-			if (strncpy((char*)index->name, "__", 2) == 0) continue;
+			if (strncmp((char*)index->name, "__", 2) == 0) continue;
 
 #ifdef FINSH_USING_DESCRIPTION
             rt_kprintf("%-16s -- %s\n", index->name, index->desc);