diff --git a/patacrep/content/tex.py b/patacrep/content/tex.py
index adf6950e..b00f3539 100755
--- a/patacrep/content/tex.py
+++ b/patacrep/content/tex.py
@@ -1,6 +1,5 @@
 """Include LaTeX raw code in the songbook."""
 
-import itertools
 import logging
 import os
 
@@ -43,9 +42,8 @@ def parse(keyword, argument, config):
         argument = [argument]
 
     filelist = ContentList()
-    basefolders = itertools.chain(
-        (path.fullpath for path in config['_songdir']),
-        files.iter_datadirs(config['_datadir'], 'latex'),
+    basefolders = [path.fullpath for path in config['_songdir']] + list(
+        files.iter_datadirs(config['_datadir'], 'latex')
         )
     for filename in argument:
         checked_file = None
diff --git a/test/test_content/tex.control b/test/test_content/tex.control
index 0c187461..47d8fe2c 100644
--- a/test/test_content/tex.control
+++ b/test/test_content/tex.control
@@ -1,2 +1,3 @@
 - test/test_content/datadir/songs/texfile.tex
+- test/test_content/datadir/songs/texfile.tex
 - test/test_content/datadir/songs/texfile.tex
\ No newline at end of file
diff --git a/test/test_content/tex.source b/test/test_content/tex.source
index 9cbed25b..959a2f46 100644
--- a/test/test_content/tex.source
+++ b/test/test_content/tex.source
@@ -1,4 +1,4 @@
 - tex:
     - texfile.tex
-    - chordpro.csg
+    - texfile.tex
 - tex: texfile.tex
\ No newline at end of file