1 files changed, 1 insertions, 1 deletions
diff --git a/src/disk.c b/src/disk.c
index 86394f4..7370f13 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -36,7 +36,7 @@
 #include "usb-device.h"
 #include "printf-utils.h"
 
-static char global_buf[1 << 22]; /* 4MB */
+static char global_buf[1UL << 22]; /* 4MB */
 
 int disk_open_dev(int maj, int min, int partition, int readonly) {