diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.h b/src/shader_recompiler/backend/spirv/spirv_emit_context.h
index fc678344..3358ae43 100644
--- a/src/shader_recompiler/backend/spirv/spirv_emit_context.h
+++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.h
@@ -180,6 +180,7 @@ public:
 
     Id workgroup_id{};
     Id local_invocation_id{};
+    Id subgroup_id{};
     Id subgroup_local_invocation_id{};
     Id image_u32{};