1 files changed, 1 insertions, 1 deletions
diff --git a/libflash/ipmi-hiomap.c b/libflash/ipmi-hiomap.c
index 88e9edac..e2b64fe9 100644
--- a/libflash/ipmi-hiomap.c
+++ b/libflash/ipmi-hiomap.c
@@ -446,7 +446,7 @@ static void hiomap_event(uint8_t events, void *context)
 	prlog(PR_DEBUG, "Received events: 0x%x\n", events);
 
 	lock(&ctx->lock);
-	ctx->bmc_state |= events;
+	ctx->bmc_state = events | (ctx->bmc_state & HIOMAP_E_ACK_MASK);
 	ctx->update = true;
 	unlock(&ctx->lock);
 }