diff --git a/.appveyor.yml b/.appveyor.yml
index faaa2ce4..941c120d 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 --user-config='<APPDATA>\MiKTeX\2.9' --user-data='<LOCALAPPDATA>\MiKTeX\2.9' --user-install='<APPDATA>\MiKTeX\2.9'"
+  - '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 43a9b269..ca08574b 100644
--- a/patacrep/__init__.py
+++ b/patacrep/__init__.py
@@ -25,18 +25,20 @@ __DATADIR__ = os.path.abspath(pkg_datapath())
 
 ### DEBUG ###
 import subprocess
-print("DEBUG: RESOURCE_FILENAME:", os.path.abspath(resource_filename(__name__, 'data')))
-print("DEBUG: DIR RESOURCE_FILENAME:", subprocess.check_output(
+import logging
+LOGGER = logging.getLogger(__name__)
+LOGGER.error(("RESOURCE_FILENAME:", os.path.abspath(resource_filename(__name__, 'data'))))
+LOGGER.error(("DIR RESOURCE_FILENAME:", subprocess.check_output(
                     ['dir', os.path.abspath(resource_filename(__name__, 'data'))],
                     stderr=subprocess.STDOUT,
                     universal_newlines=True
-                ))
-print("DEBUG: EXPAND VAR", [(var, os.path.expandvars(var)) for var in ['APPDATA', '$APPDATA', '%APPDATA%', '<APPDATA>']])
+                )))
+LOGGER.error(("EXPAND VAR", [(var, os.path.expandvars(var)) for var in ['APPDATA', '$APPDATA', '%APPDATA%', '<APPDATA>', '$HOME']]))
 try:
-    print("DEBUG: DIR APPDATA:", subprocess.check_output(
+    LOGGER.error(("DIR APPDATA:", subprocess.check_output(
                         ['dir', os.path.expandvars('%APPDATA%')],
                         stderr=subprocess.STDOUT,
                         universal_newlines=True
-                    ))
+                    )))
 except Exception as error:
-    print(error)
+    LOGGER.error(str(error))