diff --git a/.local/bin/opout b/.local/bin/opout
index 7f452df0..faf65753 100755
--- a/.local/bin/opout
+++ b/.local/bin/opout
@@ -4,7 +4,7 @@
 # usually the pdf of a compiled document.  I find this useful especially
 # running from vim.
 
-basename="$(echo "${*}" | sed 's/\.[^\/.]*$//')"
+basename="${1%.*}"
 
 case "${*}" in
 	*.tex|*.m[dse]|*.[rR]md|*.mom|*.[0-9]) setsid -f xdg-open "$basename".pdf >/dev/null 2>&1 ;;