diff --git a/btrfs-crc.c b/btrfs-crc.c
index e4cda431..1990534a 100644
--- a/btrfs-crc.c
+++ b/btrfs-crc.c
@@ -34,7 +34,7 @@ void usage(void)
 
 int main(int argc, char **argv)
 {
-	char c;
+	int c;
 	unsigned long checksum = 0;
 	char *str;
 	char *buf;
diff --git a/cmds-device.c b/cmds-device.c
index 41e79d37..9e7328b2 100644
--- a/cmds-device.c
+++ b/cmds-device.c
@@ -294,7 +294,7 @@ static int cmd_dev_stats(int argc, char **argv)
 	int ret;
 	int fdmnt;
 	int i;
-	char c;
+	int c;
 	int err = 0;
 	__u64 flags = 0;