diff --git a/integrator/base.py b/integrator/base.py
index 3339389..bffa666 100644
--- a/integrator/base.py
+++ b/integrator/base.py
@@ -206,7 +206,7 @@ class MimeTypes(dict):
             line = line.strip()
             if line:
                 parts = line.split()
-                self[parts[0]] = parts[1:]
+                self[parts[0].strip()] = parts[1:]
         mtFile.close()
 
 mimeTypes = MimeTypes()
diff --git a/integrator/mime.types b/integrator/mime.types
index 7252877..7cc9a3c 100644
--- a/integrator/mime.types
+++ b/integrator/mime.types
@@ -391,6 +391,7 @@ application/x-ns-proxy-autoconfig		pac
 application/x-nwc				nwc
 application/x-object				o
 application/x-oz-application			oza
+application/x-pdf                 pdf
 application/x-pkcs7-certreqresp			p7r
 application/x-pkcs7-crl				crl
 application/x-python-code			pyc pyo