1 files changed, 4 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_buffer_objects.c b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
index aed0e45a28f..9408b0c351f 100644
--- a/src/mesa/drivers/dri/intel/intel_buffer_objects.c
+++ b/src/mesa/drivers/dri/intel/intel_buffer_objects.c
@@ -274,7 +274,10 @@ intel_bufferobj_unmap(GLcontext * ctx,
    struct intel_buffer_object *intel_obj = intel_buffer_object(obj);
 
    assert(intel_obj);
-   if (intel_obj->buffer != NULL) {
+   if (intel_obj->sys_buffer != NULL) {
+      assert(obj->Pointer);
+      obj->Pointer = NULL;
+   } else if (intel_obj->buffer != NULL) {
       assert(obj->Pointer);
       if (intel_obj->mapped_gtt) {
 	 drm_intel_gem_bo_unmap_gtt(intel_obj->buffer);