diff --git a/programs/network/ftpd/commands.inc b/programs/network/ftpd/commands.inc
index e1cc5560b..85bff4cd9 100644
--- a/programs/network/ftpd/commands.inc
+++ b/programs/network/ftpd/commands.inc
@@ -998,7 +998,9 @@ cmdRETR:
         cmp     eax, -1
         je      .cannot_open                                    ; FIXME: this is not the correct error
 
+        push eax
         invoke  con_write_asciiz, str2
+        pop eax
 
         push    eax ebx
         mov     esi, eax