diff --git a/bin/signpkgs.in b/bin/signpkgs.in
index 0d706b4..ea1e069 100644
--- a/bin/signpkgs.in
+++ b/bin/signpkgs.in
@@ -11,4 +11,4 @@
 
 version=@version@
 
-find $PWD -maxdepth 1 -name '*.pkg.tar.xz' -o -name '*.pkg.tar.zst' -exec signfile {} \;
+find $PWD -maxdepth 1 -regex '.*\.pkg\.tar\.\(xz\|zst\)' -exec signfile {} \;