diff --git a/mayan/apps/installation/classes.py b/mayan/apps/installation/classes.py
index ff01f5840b..7d7c09caa2 100644
--- a/mayan/apps/installation/classes.py
+++ b/mayan/apps/installation/classes.py
@@ -125,7 +125,7 @@ class VirtualEnv(object):
                 yield self.extract_dependency(item)
 
     def __init__(self):
-        self.requirements_file_path = os.path.join(settings.BASE_DIR, 'requirements', 'production.txt')
+        self.requirements_file_path = os.path.join(settings.SITE_ROOT, 'requirements', 'production.txt')
         if not PIP:
             raise PIPNotFound
 
diff --git a/mayan/settings.py b/mayan/settings.py
index 84f493975d..547858adf3 100644
--- a/mayan/settings.py
+++ b/mayan/settings.py
@@ -6,7 +6,7 @@ from django.core.urlresolvers import reverse_lazy
 
 ugettext = lambda s: s
 
-BASE_DIR = os.path.dirname(__file__)
+BASE_DIR = os.path.abspath(os.path.dirname(__file__))
 SITE_ROOT = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
 
 sys.path.append(os.path.join(BASE_DIR, 'apps'))