diff --git a/cleanup b/cleanup
index efaf0485..a88d244d 100755
--- a/cleanup
+++ b/cleanup
@@ -3,4 +3,4 @@
 rm -rf autom4te.cache/ config.log config.status \
        src/Makevars src/*.o src/*.so src/*.dylib \
        *~ \
-       src/nlopt_src/
+       src/nlopt_src/lib/ src/nlopt_src/include/