diff --git a/padelpy/__init__.py b/padelpy/__init__.py
index 8770971..b6bb4c6 100644
--- a/padelpy/__init__.py
+++ b/padelpy/__init__.py
@@ -1,3 +1,3 @@
 from padelpy.wrapper import padeldescriptor
 from padelpy.functions import from_mdl, from_smiles
-__version__ = '0.1.3'
+__version__ = '0.1.4'
diff --git a/padelpy/__pycache__/__init__.cpython-37.pyc b/padelpy/__pycache__/__init__.cpython-37.pyc
deleted file mode 100644
index ebf10c8..0000000
Binary files a/padelpy/__pycache__/__init__.cpython-37.pyc and /dev/null differ
diff --git a/padelpy/__pycache__/functions.cpython-37.pyc b/padelpy/__pycache__/functions.cpython-37.pyc
deleted file mode 100644
index 6017e56..0000000
Binary files a/padelpy/__pycache__/functions.cpython-37.pyc and /dev/null differ
diff --git a/padelpy/__pycache__/wrapper.cpython-37.pyc b/padelpy/__pycache__/wrapper.cpython-37.pyc
deleted file mode 100644
index 16f3d8b..0000000
Binary files a/padelpy/__pycache__/wrapper.cpython-37.pyc and /dev/null differ
diff --git a/padelpy/functions.py b/padelpy/functions.py
index 3d57c0f..b750dae 100644
--- a/padelpy/functions.py
+++ b/padelpy/functions.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 #
 # padelpy/functions.py
-# v.0.1.3
+# v.0.1.4
 # Developed in 2019 by Travis Kessler <travis.j.kessler@gmail.com>
 #
 # Contains various functions commonly used with PaDEL-Descriptor
diff --git a/padelpy/wrapper.py b/padelpy/wrapper.py
index 906ba4a..e1bcfda 100644
--- a/padelpy/wrapper.py
+++ b/padelpy/wrapper.py
@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 #
 # padelpy/wrapper.py
-# v.0.1.3
+# v.0.1.4
 # Developed in 2019 by Travis Kessler <travis.j.kessler@gmail.com>
 #
 # Contains the `padeldescriptor` function, a wrapper for PaDEL-Descriptor
@@ -117,7 +117,7 @@ def padeldescriptor(maxruntime: int=-1, waitingjobs: int=-1, threads: int=-1,
     if usefilenameasmolname is True:
         command += ' -usefilenameasmolname'
 
-    p = Popen(command, stdout=PIPE, stderr=PIPE)
+    p = Popen(command.split(), stdout=PIPE, stderr=PIPE)
     _, err = p.communicate()
     if err != b'':
         raise RuntimeError('PaDEL-Descriptor encountered an error: {}'.format(
diff --git a/setup.py b/setup.py
index a17deee..b03e4af 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@
 
 setup(
     name='padelpy',
-    version='0.1.3',
+    version='0.1.4',
     description='A Python wrapper for PaDEL-Descriptor',
     url='https://github.com/ecrl/padelpy',
     author='Travis Kessler',