diff --git a/src/intel/isl/isl_surface_state.c b/src/intel/isl/isl_surface_state.c
index 5a69a295a98..786a645ea75 100644
--- a/src/intel/isl/isl_surface_state.c
+++ b/src/intel/isl/isl_surface_state.c
@@ -83,6 +83,7 @@ static const uint32_t isl_encode_multisample_layout[] = {
 static const uint32_t isl_encode_aux_mode[] = {
    [ISL_AUX_USAGE_NONE] = AUX_NONE,
    [ISL_AUX_USAGE_MC] = AUX_NONE,
+   [ISL_AUX_USAGE_MCS] = AUX_MCS,
    [ISL_AUX_USAGE_MCS_CCS] = AUX_MCS,
 };
 #elif GFX_VER >= 12