diff --git a/libeoaconvert.py b/libeoaconvert.py
index ecec712..fd2aa5b 100644
--- a/libeoaconvert.py
+++ b/libeoaconvert.py
@@ -31,12 +31,6 @@
 
 logging.basicConfig(level=LOGLEVEL, format='%(asctime)s - %(levelname)s - %(message)s')
 
-if not os.path.exists("tmp_files/tmp_images/"):
-    os.makedirs(os.path.expanduser("tmp_files/tmp_images/"))
-
-tmp_image_dir = os.getcwd() + "/tmp_files/tmp_images/"
-Datei = open('tmp_files/xelatex-run-images.log', 'w')
-
 # Setup of various dictionaries for localization of various elements
 # dictLangFootnotes = {"it" : "Note a piè pagina", "fr" : "notes en bas de page", "de" : "Fußnoten", "en" : "Footnotes"}
 # dict_and = {"en" : "and", "de" : "und", "fr" : "et", "it" : "e"}
@@ -85,6 +79,12 @@ def get_bigfoot_data(chapter):
 def sanitizeImage(strImagepath, GM_PATH, TL_PATH):
     """Adjust and convert image for epub standard"""
 
+    if not os.path.exists("tmp_files/tmp_images/"):
+        os.makedirs(os.path.expanduser("tmp_files/tmp_images/"))
+
+    tmp_image_dir = os.getcwd() + "/tmp_files/tmp_images/"
+    xelatex_sanitizeimage_logfile = open('tmp_files/xelatex-run-images.log', 'w')
+
     logging.debug(strImagepath)
     strCommand = GM_PATH + " identify -format \"%w\" " + strImagepath
     listArguments = shlex.split(strCommand)
@@ -133,7 +133,7 @@ def sanitizeImage(strImagepath, GM_PATH, TL_PATH):
         logging.debug(Kommando)
 
         Argumente = shlex.split(Kommando)
-        subprocess.call(Argumente, cwd=tmp_image_dir, stdout=Datei)
+        subprocess.call(Argumente, cwd=tmp_image_dir, stdout=xelatex_sanitizeimage_logfile)
 
         strCommand = GM_PATH + " convert -density 400 " + clipped_file + " " + strNewImagepath + ".png"
         listArguments = shlex.split(strCommand)