diff --git a/gap-cubefree.spec b/gap-cubefree.spec
index fdfc50a..b6281a9 100644
--- a/gap-cubefree.spec
+++ b/gap-cubefree.spec
@@ -48,7 +48,7 @@ field) over a minimal subfield.
 %setup -qn cubefree
 
 %build
-rm -fv *~
+find . -type f -name "*~" -delete
 
 %install
 %gappkg_simple_install