diff --git a/src/mesa/drivers/dri/i915/Makefile b/src/mesa/drivers/dri/i915/Makefile
index 9f4bd16..daf7df0 100644
--- a/src/mesa/drivers/dri/i915/Makefile
+++ b/src/mesa/drivers/dri/i915/Makefile
@@ -19,7 +19,8 @@ DRIVER_SOURCES = \
 	intel_batchbuffer.c \
 	intel_clear.c \
 	intel_extensions.c \
-	intel_mipmap_tree.c \
+	intel_generatemipmap.c \
+       intel_mipmap_tree.c \
 	intel_tex_layout.c \
 	intel_tex_image.c \
 	intel_tex_subimage.c \