diff --git a/.appveyor.yml b/.appveyor.yml
index 72d33c98..faaa2ce4 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -25,7 +25,7 @@ install:
 
   # Download and install MikTeX
   - ps: "wget http://mirrors.ctan.org/systems/win32/miktex/setup/basic-miktex-2.9.5721.exe -OutFile ./basic-miktex.exe"
-  - "basic-miktex.exe --unattended"
+  - "basic-miktex.exe --unattended --user-config='<APPDATA>\MiKTeX\2.9' --user-data='<LOCALAPPDATA>\MiKTeX\2.9' --user-install='<APPDATA>\MiKTeX\2.9'"
 
 
 build: false  # Not a C# project, build stuff at the test step instead.
diff --git a/patacrep/__init__.py b/patacrep/__init__.py
index 7429a12c..43a9b269 100644
--- a/patacrep/__init__.py
+++ b/patacrep/__init__.py
@@ -31,3 +31,12 @@ print("DEBUG: DIR RESOURCE_FILENAME:", subprocess.check_output(
                     stderr=subprocess.STDOUT,
                     universal_newlines=True
                 ))
+print("DEBUG: EXPAND VAR", [(var, os.path.expandvars(var)) for var in ['APPDATA', '$APPDATA', '%APPDATA%', '<APPDATA>']])
+try:
+    print("DEBUG: DIR APPDATA:", subprocess.check_output(
+                        ['dir', os.path.expandvars('%APPDATA%')],
+                        stderr=subprocess.STDOUT,
+                        universal_newlines=True
+                    ))
+except Exception as error:
+    print(error)