diff --git a/src/vulkan/anv_pipeline.c b/src/vulkan/anv_pipeline.c
index f035f5b8f5e..173c9787d91 100644
--- a/src/vulkan/anv_pipeline.c
+++ b/src/vulkan/anv_pipeline.c
@@ -566,6 +566,7 @@ anv_pipeline_compile_gs(struct anv_pipeline *pipeline,
    /* TODO: SIMD8 GS */
    pipeline->gs_vec4 =
       anv_pipeline_upload_kernel(pipeline, shader_code, code_size);
+   pipeline->gs_vertex_count = nir->info.gs.vertices_in;
 
    ralloc_free(mem_ctx);