diff --git a/Makefile b/Makefile
index 79b4472bcb7..d69252e41d0 100644
--- a/Makefile
+++ b/Makefile
@@ -258,6 +258,7 @@ MAIN_FILES = \
 	$(DIRECTORY)/src/mesa/tnl_dd/*.[ch]				\
 	$(DIRECTORY)/src/mesa/tnl_dd/imm/*.[ch]				\
 	$(DIRECTORY)/src/mesa/tnl_dd/imm/NOTES.imm			\
+	$(DIRECTORY)/src/mesa/drivers/Makefile				\
 	$(DIRECTORY)/src/mesa/drivers/beos/*.cpp			\
 	$(DIRECTORY)/src/mesa/drivers/beos/Makefile			\
 	$(DIRECTORY)/src/mesa/drivers/common/*.[ch]			\