diff --git a/Makefile b/Makefile
index f73c70e..c5bd2f0 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ library = libfvn.a
 lib:$(library)
 
 clean:
-		rm -f {*.o,*.a,*.mod}
+		rm -f {*.o,*.oo,*.ipo,*.a,*.mod}
 
 install:
 		cp *.mod $(BTREE)/modules