diff --git a/ulwgl_util.py b/ulwgl_util.py
index f0eb401b..e3b8551a 100644
--- a/ulwgl_util.py
+++ b/ulwgl_util.py
@@ -91,10 +91,15 @@ def setup_ulwgl(root: Path, local: Path) -> None:
         local.joinpath("ulwgl-run").symlink_to("ulwgl_run.py")
 
         # Runner
-        print(f"Copying ULWGL-Runner -> {local} ...", file=stderr)
+        steam_compat: Path = Path.home().joinpath(
+            ".local/share/Steam/compatibilitytools.d"
+        )
+        steam_compat.mkdir(parents=True, exist_ok=True)
+
+        print(f"Copying ULWGL-Runner -> {steam_compat} ...", file=stderr)
         copytree(
             root.joinpath("ULWGL-Runner").as_posix(),
-            local.joinpath("ULWGL-Runner").as_posix(),
+            steam_compat.joinpath("ULWGL-Runner"),
             symlinks=True,
         )
 
@@ -188,6 +193,10 @@ def setup_ulwgl(root: Path, local: Path) -> None:
             and val != json_local["ulwgl"]["versions"]["runner"]
             or not local.joinpath("ULWGL-Runner").is_dir()
         ):
+            steam_compat: Path = Path.home().joinpath(
+                ".local/share/Steam/compatibilitytools.d"
+            )
+
             # Runner
             print(f"New version for {key}\nUpdating to {val} ...", file=stderr)
 
@@ -198,7 +207,7 @@ def setup_ulwgl(root: Path, local: Path) -> None:
             # Prefer recreating the symbolic link within this dir
             copytree(
                 root.joinpath("ULWGL-Runner").as_posix(),
-                local.joinpath("ULWGL-Runner").as_posix(),
+                steam_compat.joinpath("ULWGL-Runner"),
                 symlinks=True,
             )