diff --git a/main.c b/main.c
index eb0985f..2dee67c 100644
--- a/main.c
+++ b/main.c
@@ -712,7 +712,7 @@ int main(int argc, char *argv[])
 
 		gettimeofday(&start_time, NULL);
 
-		if (unlikely((STDIN || STDOUT) && ENCRYPT))
+		if (!control->passphrase && (unlikely((STDIN || STDOUT) && ENCRYPT)))
 			failure("Unable to work from STDIO while reading password\n");
 
 		memcpy(&local_control, &base_control, sizeof(rzip_control));