X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Flpc%2Fao_beep_lpc.c;h=13aa337445e9f74b0c90e63c68f47f60c5ee95d7;hp=ab06ef48776be45260add4fe20242114b1ba5f6c;hb=e80a45c1565b14479e3a4cfc968d49b13cef4fe0;hpb=f2c02cac5442015fee14f88ee016c687c53d8576

diff --git a/src/lpc/ao_beep_lpc.c b/src/lpc/ao_beep_lpc.c
index ab06ef48..13aa3374 100644
--- a/src/lpc/ao_beep_lpc.c
+++ b/src/lpc/ao_beep_lpc.c
@@ -24,7 +24,7 @@ ao_beep(uint8_t beep)
 	if (beep == 0) {
 		lpc_ct32b1.tcr = ((0 << LPC_CT32B_TCR_CEN) |
 				  (1 << LPC_CT32B_TCR_CRST));
-		lpc_scb.sysahbclkctrl &= ~(1 << LPC_SCB_SYSAHBCLKCTRL_CT32B1);
+		lpc_scb.sysahbclkctrl &= ~(1UL << LPC_SCB_SYSAHBCLKCTRL_CT32B1);
 	} else {
 		lpc_scb.sysahbclkctrl |= (1 << LPC_SCB_SYSAHBCLKCTRL_CT32B1);