diff --git a/src/intel/dev/intel_device_info.c b/src/intel/dev/intel_device_info.c
index 70ff3703a02..3c72be03ca8 100644
--- a/src/intel/dev/intel_device_info.c
+++ b/src/intel/dev/intel_device_info.c
@@ -373,7 +373,7 @@ static const struct intel_device_info intel_device_info_hsw_gt2 = {
 static const struct intel_device_info intel_device_info_hsw_gt3 = {
    HSW_FEATURES, .gt = 3,
    .num_slices = 2,
-   .num_subslices = { 2, },
+   .num_subslices = { 2, 2, },
    .num_eu_per_subslice = 10,
    .num_thread_per_eu = 7,
    .l3_banks = 8,