diff --git a/extra/python/build b/extra/python/build
index 6367c26f..bcd9247a 100755
--- a/extra/python/build
+++ b/extra/python/build
@@ -1,9 +1,9 @@
 #!/bin/sh -e
 
-rm -r Modules/zlib
-rm -r Modules/expat
-rm -r Modules/_ctypes/darwin*
-rm -r Modules/_ctypes/libffi*
+rm -rf Modules/zlib
+rm -rf Modules/expat
+rm -rf Modules/_ctypes/darwin*
+rm -rf Modules/_ctypes/libffi*
 
 ./configure \
     --prefix=/usr