diff --git a/dist-build/emscripten.sh b/dist-build/emscripten.sh
index 8ff63f9d..e9251c4f 100755
--- a/dist-build/emscripten.sh
+++ b/dist-build/emscripten.sh
@@ -58,7 +58,7 @@ else
   echo
   exit 1
 fi
-export JS_EXPORTS_FLAGS="-s EXPORTED_FUNCTIONS=${EXPORTED_FUNCTIONS} -s EXTRA_EXPORTED_RUNTIME_METHODS=${EXPORTED_RUNTIME_METHODS}"
+export JS_EXPORTS_FLAGS="-s EXPORTED_FUNCTIONS=${EXPORTED_FUNCTIONS} -s EXPORTED_RUNTIME_METHODS=${EXPORTED_RUNTIME_METHODS}"
 
 rm -f "$DONE_FILE"