diff --git a/patacrep/__init__.py b/patacrep/__init__.py
index 13e74a66..5effb2c4 100644
--- a/patacrep/__init__.py
+++ b/patacrep/__init__.py
@@ -17,8 +17,8 @@ __version__ = '.'.join([str(number) for number in __TUPLE_VERSION__])
 # etc.)
 
 _ROOT = os.path.abspath(resource_filename(__name__, 'data'))
-def pkg_datapath(path=''):
+def pkg_datapath(*path):
     """Return the package data path"""
-    return os.path.join(_ROOT, path)
+    return os.path.join(_ROOT, *path)
 
 __DATADIR__ = os.path.abspath(pkg_datapath())
diff --git a/patacrep/build.py b/patacrep/build.py
index d260d45b..766a82d9 100644
--- a/patacrep/build.py
+++ b/patacrep/build.py
@@ -6,7 +6,7 @@ import glob
 import logging
 import threading
 import os.path
-from subprocess import Popen, PIPE, call
+from subprocess import Popen, PIPE, call, check_call
 
 from patacrep import __DATADIR__, authors, content, errors, files
 from patacrep.index import process_sxd
@@ -219,26 +219,25 @@ class SongbookBuilder(object):
 
         compiler = "lualatex"
 
-        # test if the LaTeX compiler is accessible
+        # Test if the LaTeX compiler is accessible
         try:
-            process = Popen(
+            check_call(
                 [compiler, "--version"],
                 stdin=PIPE,
                 stdout=PIPE,
                 stderr=PIPE,
-                env=os.environ,
                 universal_newlines=True,
                 )
         except Exception as error:
             raise errors.ExecutableNotFound(compiler)
 
+        # Perform compilation
         try:
             process = Popen(
                 [compiler] + self._lualatex_options + [self.basename],
                 stdin=PIPE,
                 stdout=PIPE,
                 stderr=PIPE,
-                env=os.environ,
                 universal_newlines=True,
                 )
         except Exception as error:
diff --git a/patacrep/songs/chordpro/__init__.py b/patacrep/songs/chordpro/__init__.py
index abdd8438..ad20b860 100644
--- a/patacrep/songs/chordpro/__init__.py
+++ b/patacrep/songs/chordpro/__init__.py
@@ -48,7 +48,7 @@ class ChordproSong(Song):
                 self.get_datadirs(os.path.join("templates", self.output_language))
             ),
             FileSystemLoader(
-                os.path.join(pkg_datapath('ast_templates'), 'chordpro', self.output_language)
+                pkg_datapath('ast_templates', 'chordpro', self.output_language)
             ),
             ]))
         jinjaenv.filters['search_image'] = self.search_image
diff --git a/test/test_compilation/test_compilation.py b/test/test_compilation/test_compilation.py
index 3b14088b..6b74969b 100644
--- a/test/test_compilation/test_compilation.py
+++ b/test/test_compilation/test_compilation.py
@@ -76,7 +76,7 @@ class FileTest(unittest.TestCase, metaclass=dynamic.DynamicTest):
                         "@DATA_FOLDER@",
                         path2posix(
                             subprocess.check_output(
-                                [sys.executable, "-c", 'import patacrep, pkg_resources; print(pkg_resources.resource_filename(patacrep.__name__, "data"))'], # pylint: disable=line-too-long
+                                [sys.executable, "-c", 'import patacrep; print(patacrep.__DATADIR__)'], # pylint: disable=line-too-long
                                 universal_newlines=True,
                                 cwd=os.path.dirname(songbook),
                                 ).strip()
@@ -117,7 +117,7 @@ class FileTest(unittest.TestCase, metaclass=dynamic.DynamicTest):
             command.extend(['--steps', steps])
 
         try:
-            subprocess.check_output(
+            subprocess.check_call(
                 command,
                 stderr=subprocess.STDOUT,
                 universal_newlines=True,