diff --git a/_zsh_goto_sed b/_zsh_goto_sed
index 2cffccc..2f1f8f7 100755
--- a/_zsh_goto_sed
+++ b/_zsh_goto_sed
@@ -1,4 +1,7 @@
 #!/usr/bin/env zsh
+
+set -e
+
 # MacOS support - prefer GNU sed eg. from Homebrew to 'sed'
 if command -v gsed &>/dev/null; then
   gsed "$@"
diff --git a/goto b/goto
index ca4b08f..e4ea2df 100755
--- a/goto
+++ b/goto
@@ -1,5 +1,7 @@
 #!/usr/bin/env zsh
 
+set -e
+
 : "${1:=--help}"
 
 case "$1" in