diff --git a/Dockerfile b/Dockerfile
index 83f05e3..7ec92f8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,7 @@ RUN apt-get update \
         lib32stdc++6 \
         lib32gcc1 \
         wget \
+        rename \
         ca-certificates \
     && \
     apt-get remove --purge -y \
diff --git a/launch.py b/launch.py
index 12fcc80..7929bae 100644
--- a/launch.py
+++ b/launch.py
@@ -7,7 +7,7 @@
 
 
 def mod_param(name, mods):
-    return ' -{}="{}" '.format(name, ";".join(mods))
+    return ' -{}="{}" '.format(name, ";".join(mods)).replace('/arma3/', '')
 
 
 def env_defined(key):
diff --git a/workshop.py b/workshop.py
index b8c900f..19a2eb0 100644
--- a/workshop.py
+++ b/workshop.py
@@ -9,8 +9,10 @@
 WORKSHOP = "/arma3/steamapps/workshop/content/107410/"
 USER_AGENT = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.47 Safari/537.36"  # noqa: E501
 
+def lowercase_workshop_dir(path: str):
+    os.system("(cd {} && find . -depth -exec rename -v 's/(.*)\/([^\/]*)/$1\/\L$2/' {{}} \;)".format(path))
 
-def mod(id):
+def download_mod(id):
     steamcmd = ["/steamcmd/steamcmd.sh"]
     steamcmd.extend(["+login", os.environ["STEAM_USER"], os.environ["STEAM_PASSWORD"]])
     steamcmd.extend(["+force_install_dir", "/arma3"])
@@ -35,8 +37,9 @@ def preset(mod_file):
         regex = r"filedetails\/\?id=(\d+)\""
         matches = re.finditer(regex, html, re.MULTILINE)
         for _, match in enumerate(matches, start=1):
-            mod(match.group(1))
+            download_mod(match.group(1))
             moddir = WORKSHOP + match.group(1)
+            lowercase_workshop_dir(moddir)
             mods.append(moddir)
             keys.copy(moddir)
     return mods