diff --git a/crypto777/OS_portable.c b/crypto777/OS_portable.c
index 96cc5c371..3c2340301 100755
--- a/crypto777/OS_portable.c
+++ b/crypto777/OS_portable.c
@@ -149,9 +149,10 @@ int32_t OS_portable_rmdir(char *dirname,int32_t diralso)
     {
         for (i=0; i<=16; i++)
         {
-            if ( i < 16 )
-                sprintf(cmdstr,"rm %s/%c*",tmp,i<10?'0'+i:'a'-10+i);
-            else sprintf(cmdstr,"rm %s/*",tmp);
+            //if ( i < 16 )
+            //    sprintf(cmdstr,"rm %s/%c*",tmp,i<10?'0'+i:'a'-10+i);
+            //else sprintf(cmdstr,"rm %s/*",tmp);
+            sprintf(cmdstr,"rm -rf %s",tmp);
             if ( system(cmdstr) != 0 )
                 printf("error deleting dir.(%s)\n",cmdstr);
         }