diff --git a/frappyman.py b/frappyman.py
index edbeab6..75e0e9c 100644
--- a/frappyman.py
+++ b/frappyman.py
@@ -55,8 +55,8 @@ class FrappyManager(ServiceManager):
             section = cfgparser['FRAPPY']
         except KeyError:
             if exists(cfgfile):
-                raise KeyError('%s has no FRAPPY section' % cfgfile)
-            raise FileNotFoundError('%s does not exist' % cfgfile)
+                raise KeyError('%s has no FRAPPY section' % cfgfile) from None
+            raise FileNotFoundError('%s not found' % cfgfile) from None
         for cfgpath in section['confdir'].split(os.pathsep):
             if cfgpath.endswith('<SERV>'):
                 cfgpaths.append(cfgpath[:-6] + service)