diff --git a/dist-build/generate-emscripten-symbols.sh b/dist-build/generate-emscripten-symbols.sh
index c93c52a4..b35dbf9f 100755
--- a/dist-build/generate-emscripten-symbols.sh
+++ b/dist-build/generate-emscripten-symbols.sh
@@ -57,3 +57,5 @@ sed s/EXPORTED_FUNCTIONS_SUMO=\'.*\'/EXPORTED_FUNCTIONS_SUMO=\'${out}\'/ < emscr
   mv -f emscripten.sh.tmp emscripten.sh
 sed s/EXPORTED_FUNCTIONS_SUMO=\'.*\'/EXPORTED_FUNCTIONS_SUMO=\'${out}\'/ < emscripten-wasm.sh > emscripten-wasm.sh.tmp && \
   mv -f emscripten-wasm.sh.tmp emscripten-wasm.sh
+
+chmod +x emscripten.sh emscripten-wasm.sh