diff --git a/receive-pack.c b/receive-pack.c
index 48e49465ba2b6e4b0640f054e0e2434e8060a7a3..c176d8fd008ad858a1e60e19e7bf3ea14d735eb5 100644
--- a/receive-pack.c
+++ b/receive-pack.c
@@ -73,7 +73,8 @@ static int run_update_hook(const char *refname,
 
 	if (access(update_hook, X_OK) < 0)
 		return 0;
-	code = run_command_opt(RUN_COMMAND_STDOUT_TO_STDERR,
+	code = run_command_opt(RUN_COMMAND_NO_STDIN
+		| RUN_COMMAND_STDOUT_TO_STDERR,
 		update_hook, refname, old_hex, new_hex, NULL);
 	switch (code) {
 	case 0:
@@ -188,7 +189,8 @@ static void run_update_post_hook(struct command *cmd)
 		argc++;
 	}
 	argv[argc] = NULL;
-	run_command_v_opt(argv, RUN_COMMAND_NO_STDIO);
+	run_command_v_opt(argv, RUN_COMMAND_NO_STDIN
+		| RUN_COMMAND_STDOUT_TO_STDERR);
 }
 
 /*
diff --git a/run-command.c b/run-command.c
index 7e4ca43c626d4d60a2eeae79e0268e621931998c..cfbad74d145145944352c568064cc2f8c0d4c5cb 100644
--- a/run-command.c
+++ b/run-command.c
@@ -9,12 +9,12 @@ int run_command_v_opt(const char **argv, int flags)
 	if (pid < 0)
 		return -ERR_RUN_COMMAND_FORK;
 	if (!pid) {
-		if (flags & RUN_COMMAND_NO_STDIO) {
+		if (flags & RUN_COMMAND_NO_STDIN) {
 			int fd = open("/dev/null", O_RDWR);
 			dup2(fd, 0);
-			dup2(fd, 1);
 			close(fd);
-		} else if (flags & RUN_COMMAND_STDOUT_TO_STDERR)
+		}
+		if (flags & RUN_COMMAND_STDOUT_TO_STDERR)
 			dup2(2, 1);
 		if (flags & RUN_GIT_CMD) {
 			execv_git_cmd(argv);
diff --git a/run-command.h b/run-command.h
index 8156eac31b25c07d97b8e2d0c54d4b49e10b0531..59c4476ced789441eea3f68bfc7377e7e15e9b14 100644
--- a/run-command.h
+++ b/run-command.h
@@ -11,7 +11,7 @@ enum {
 	ERR_RUN_COMMAND_WAITPID_NOEXIT,
 };
 
-#define RUN_COMMAND_NO_STDIO 1
+#define RUN_COMMAND_NO_STDIN 1
 #define RUN_GIT_CMD	     2	/*If this is to be git sub-command */
 #define RUN_COMMAND_STDOUT_TO_STDERR 4
 int run_command_v_opt(const char **argv, int opt);