diff --git a/dev-python/cffsubr/cffsubr-0.2.9_p1.ebuild b/dev-python/cffsubr/cffsubr-0.2.9_p1.ebuild
index 9cfdc74445..d5678bbc0e 100644
--- a/dev-python/cffsubr/cffsubr-0.2.9_p1.ebuild
+++ b/dev-python/cffsubr/cffsubr-0.2.9_p1.ebuild
@@ -31,7 +31,7 @@ distutils_enable_tests pytest
 
 src_prepare() {
 	# remove bundled afdko
-	rm -rf external || die
+	rm -r external || die
 
 	distutils-r1_src_prepare
 }