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 ddd8dee782..5e349d3f7c 100644
--- a/src/add-ons/kernel/bus_managers/ps2/ps2_common.c
+++ b/src/add-ons/kernel/bus_managers/ps2/ps2_common.c
@@ -176,6 +176,13 @@ ps2_setup_active_multiplexing(bool *enabled)
 no_support:	
 	TRACE("ps2: active multiplexing not supported\n");
 	*enabled = false;
+	// some controllers get upset by the d3 command and will continue data 
+	// loopback, thus send a harmless command (enable keybaord interface)
+	// see bug report #1175
+	res = ps2_command(0xae, NULL, 0, NULL, 0);
+	if (res != B_OK) {
+		INFO("ps2: active multiplexing d3 workaround failed, status 0x%08lx\n", res);
+	}
 	return B_OK;
 
 fail: