diff --git a/.cargo/config.toml b/.cargo/config.toml
index 8ce636d..d0bbc33 100644
--- a/.cargo/config.toml
+++ b/.cargo/config.toml
@@ -3,6 +3,7 @@
 rustflags = [
     # "-O", "-C", "link-args=-O2 --profiling",
     #"-C", "link-args=-O3 --closure 1",
+    # "-C", "link-args=-g -gsource-map",
     "-C", "link-args=-sASYNCIFY -sALLOW_MEMORY_GROWTH=1",
     # "-C", "link-args=-sALLOW_MEMORY_GROWTH=1",
     "-C", "link-args=-sUSE_SDL=2 -sUSE_SDL_IMAGE=2 -sUSE_SDL_TTF=2 -sSDL2_IMAGE_FORMATS=['png']",
diff --git a/scripts/build.sh b/scripts/build.sh
index cf03277..52fe8b2 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -58,8 +58,9 @@ cp assets/index.html dist
 cp $output_folder/pacman.wasm dist
 cp $output_folder/pacman.js dist
 # only if .data file exists
-if [ -f $output_folder/deps/pacman.data ]; then
-    cp $output_folder/deps/pacman.data dist
+cp $output_folder/deps/pacman.data dist
+if [ -f $output_folder/pacman.wasm.map ]; then
+    cp $output_folder/pacman.wasm.map dist
 fi
 
 if [ "$serve" = 'true' ]; then