diff --git a/package/linux/dfhack b/package/linux/dfhack
index b7dcdc384..18ec69cb8 100755
--- a/package/linux/dfhack
+++ b/package/linux/dfhack
@@ -136,7 +136,7 @@ case "$1" in
     strace -f setarch "$setarch_arch" -R env LD_PRELOAD="$PRELOAD_LIB" ./libs/Dwarf_Fortress "$@" 2> strace.log
     ret=$?
     ;;
-  -x || --exec)
+  -x | --exec)
     exec setarch "$setarch_arch" -R env LD_PRELOAD="$PRELOAD_LIB" ./libs/Dwarf_Fortress "$@"
     # script does not resume
     ;;