diff --git a/post_remove.sh b/post_remove.sh
index 1b3c5f1..3ee42de 100644
--- a/post_remove.sh
+++ b/post_remove.sh
@@ -3,5 +3,5 @@
 SHELL="/bin/zsh"
 
 if grep "${SHELL}" "$BPM_ROOT"/etc/shells; then
-  sed -i "s|${SHELL}|d" "$BPM_ROOT"/etc/shells
+  sed -i "\|${SHELL}|d" "$BPM_ROOT"/etc/shells
 fi