diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index 877ef79b0fe..392c677143f 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -2720,6 +2720,7 @@ intel_miptree_make_shareable(struct brw_context *brw,
    }
 
    mt->aux_usage = ISL_AUX_USAGE_NONE;
+   mt->supports_fast_clear = false;
 }