diff --git a/src/add-ons/kernel/bus_managers/ps2/ps2_common.c b/src/add-ons/kernel/bus_managers/ps2/ps2_common.c
index 4329bb1b8e..c3233e9f76 100644
--- a/src/add-ons/kernel/bus_managers/ps2/ps2_common.c
+++ b/src/add-ons/kernel/bus_managers/ps2/ps2_common.c
@@ -224,6 +224,8 @@ ps2_init(void)
 		goto err_1;
 
 	gControllerSem = create_sem(1, "ps/2 keyb ctrl");
+	
+	ps2_flush();
 
 	status = ps2_dev_init();