diff --git a/scriptmodules/ports/wolf4sdl.sh b/scriptmodules/ports/wolf4sdl.sh
index 688531ddd2..854d1465b9 100644
--- a/scriptmodules/ports/wolf4sdl.sh
+++ b/scriptmodules/ports/wolf4sdl.sh
@@ -87,6 +87,11 @@ function game_data_wolf4sdl() {
         # Get shareware game data
         downloadAndExtract "http://maniacsvault.net/ecwolf/files/shareware/wolf3d14.zip" "$romdir/ports/wolf3d" -j -LL
     fi
+
+    for sodfile in gamemaps maphead vswap; do
+        [[ -f "$romdir/ports/wolf3d/$sodfile.sod" ]] && mv "$romdir/ports/wolf3d/$sodfile.sod" "$romdir/ports/wolf3d/$sodfile.sd1"
+    done
+
     if [[ ! -f "$romdir/ports/wolf3d/vswap.sdm" && ! -f "$romdir/ports/wolf3d/vswap.sd1" ]]; then
         cd "$__tmpdir"
         # Get shareware game data