diff --git a/src/amd/vulkan/radv_physical_device.c b/src/amd/vulkan/radv_physical_device.c
index 5a63b512ac9..c26af5314de 100644
--- a/src/amd/vulkan/radv_physical_device.c
+++ b/src/amd/vulkan/radv_physical_device.c
@@ -161,6 +161,7 @@ radv_physical_device_init_cache_key(struct radv_physical_device *pdevice)
    key->lower_discard_to_demote = !!(pdevice->instance->debug_flags & RADV_DEBUG_DISCARD_TO_DEMOTE);
    key->mesh_fast_launch_2 = pdevice->mesh_fast_launch_2;
    key->no_fmask = !!(pdevice->instance->debug_flags & RADV_DEBUG_NO_FMASK);
+   key->no_ngg_gs = !!(pdevice->instance->debug_flags & RADV_DEBUG_NO_NGG_GS);
    key->no_rt = !!(pdevice->instance->debug_flags & RADV_DEBUG_NO_RT);
    key->ps_wave32 = pdevice->ps_wave_size == 32;
    key->rt_wave64 = pdevice->rt_wave_size == 64;
diff --git a/src/amd/vulkan/radv_private.h b/src/amd/vulkan/radv_private.h
index b2995c15dc5..043966dc6f8 100644
--- a/src/amd/vulkan/radv_private.h
+++ b/src/amd/vulkan/radv_private.h
@@ -252,6 +252,7 @@ struct radv_physical_device_cache_key {
    uint32_t lower_discard_to_demote : 1;
    uint32_t mesh_fast_launch_2 : 1;
    uint32_t no_fmask : 1;
+   uint32_t no_ngg_gs : 1;
    uint32_t no_rt : 1;
    uint32_t ps_wave32 : 1;
    uint32_t rt_wave64 : 1;