diff --git a/bin/twn b/bin/twn
index c39a524..d34e75a 100755
--- a/bin/twn
+++ b/bin/twn
@@ -15,7 +15,7 @@ case "$1" in
                ;;
 
     gdb      ) unset DEBUGINFOD_URLS
-               $0 build && gdb --se=libgame.so -ex run --args "$(basename $PWD)" --no-sanity-timer "${@:2}"
+               $0 build --debug && gdb --se=libgame.so -ex run --args "$(basename $PWD)" --no-sanity-timer "${@:2}"
                ;;
 
     init     ) cp -r "$TWNROOT/apps/templates/$2" "$3"