diff --git a/os/emscripten/emscripten-build.sh b/os/emscripten/emscripten-build.sh
index 67431aa0c5..c8f45aa1b2 100755
--- a/os/emscripten/emscripten-build.sh
+++ b/os/emscripten/emscripten-build.sh
@@ -53,7 +53,7 @@ mkdir -p baseset
 }
 
 [ -e TimGM6mb.sf2 ] || {
-	wget 'https://sourceforge.net/p/mscore/code/HEAD/tree/trunk/mscore/share/sound/TimGM6mb.sf2?format=raw' || exit 1
+	wget 'https://sourceforge.net/p/mscore/code/HEAD/tree/trunk/mscore/share/sound/TimGM6mb.sf2?format=raw' -O TimGM6mb.sf2 || exit 1
 }
 
 [ -e Makefile ] || emcmake cmake .. -DHOST_BINARY_DIR=$(pwd)/build-host -DCMAKE_BUILD_TYPE=$BUILD_TYPE -DOPTION_USE_ASSERTS=OFF || exit 1