1 files changed, 1 insertions, 1 deletions
diff --git a/builtin.c b/builtin.c
index f736898e..e883fbcc 100644
--- a/builtin.c
+++ b/builtin.c
@@ -2034,7 +2034,7 @@ do_system(int nargs)
 		ret = system(cmd);
 		if (ret != -1)
 			ret = WEXITSTATUS(ret);
-		if ((BINMODE & 1) != 0)
+		if ((BINMODE & BINMODE_INPUT) != 0)
 			os_setbinmode(fileno(stdin), O_BINARY);
 
 		cmd[tmp->stlen] = save;