diff --git a/build-js.sh b/build-js.sh
index 2ad96e22125..19cbbb5e304 100755
--- a/build-js.sh
+++ b/build-js.sh
@@ -37,7 +37,7 @@ elif [ ! -d "$EMSCRIPTEN" ]; then
   exit 1
 fi
 
-EMCC_ARGS="-std=gnu++17 --memory-init-file 0"
+EMCC_ARGS="-std=gnu++14 --memory-init-file 0"
 EMCC_ARGS="$EMCC_ARGS -s ALLOW_MEMORY_GROWTH=1"
 EMCC_ARGS="$EMCC_ARGS -s DEMANGLE_SUPPORT=1"
 EMCC_ARGS="$EMCC_ARGS -s NO_FILESYSTEM=0"