diff --git a/xwayland-game-wrapper b/xwayland-game-wrapper
index d2b9699..a7b5399 100755
--- a/xwayland-game-wrapper
+++ b/xwayland-game-wrapper
@@ -88,8 +88,9 @@ done
 (( "${OPTIND}" > ${#} )) && print_help "${0}"
 shift $(( "${OPTIND}" - 1))
 
-{
-    set -e
+function {
+    emulate -L zsh
+    setopt errexit
     [[ -v window_manager ]] ||
         window_manager='openbox'
     [[ -v current_desktop ]] ||
@@ -118,8 +119,14 @@ cat <&p >&2
 let cat_pid="${!}"
 
 sh -c "exec -- ${window_manager}" &
-
-sh -c "exec -- ${@}"
+function {
+    emulate -L sh
+    eval "${@}"
+} "${@}"
+let child_error_code="${?}"
+if (( ${child_error_code} )); then
+    printf 'Child exited with error code %d\n' "${child_error_code}"
+fi
 trap -
 kill %sh %Xwayland