diff --git a/apps/dsa.c b/apps/dsa.c
index 9f38e2b77a3f9f1000ec385e8365c3bc90084534..1109346f78c7672e4d2ef54b68e35975f5975314 100644
--- a/apps/dsa.c
+++ b/apps/dsa.c
@@ -351,7 +351,7 @@ bad:
 		BIO_printf(bio_err,"bad output format specified for outfile\n");
 		goto end;
 		}
-	if (!i)
+	if (i <= 0)
 		{
 		BIO_printf(bio_err,"unable to write private key\n");
 		ERR_print_errors(bio_err);
diff --git a/apps/rsa.c b/apps/rsa.c
index 4a6206bb6663d23ebdb89932574e02e9d2c72671..b3c8aff7e33aca03252bbb93c9ef24bf305b2a5b 100644
--- a/apps/rsa.c
+++ b/apps/rsa.c
@@ -426,7 +426,7 @@ bad:
 		BIO_printf(bio_err,"bad output format specified for outfile\n");
 		goto end;
 		}
-	if (!i)
+	if (i <= 0)
 		{
 		BIO_printf(bio_err,"unable to write key\n");
 		ERR_print_errors(bio_err);