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-rw-r--r--src/tests/qemu/init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/tests/qemu/init.c b/src/tests/qemu/init.c
index 130fd0e..3d0c9de 100644
--- a/src/tests/qemu/init.c
+++ b/src/tests/qemu/init.c
@@ -26,7 +26,7 @@ __attribute__((noreturn)) static void poweroff(void)
fflush(stderr);
#if defined(__x86_64__) || defined(__i386__)
ioperm(0x604, 2, 1);
- outw(1 << 13, 0x604);
+ outw(1U << 13, 0x604);
#else
reboot(RB_POWER_OFF);
#endif