--- a/bnpparibas.py	Mon Jan 11 21:15:53 2016 +0100
+++ b/bnpparibas.py	Mon Jan 11 21:39:40 2016 +0100
@@ -319,6 +319,13 @@
     conffile = sys.argv[1]
     conf = loadconf(conffile)
 
+    datadir = os.path.dirname(conffile)
+    for key in 'DATABASE', 'GNUPGHOME':
+        # if path is not absolute, it is interpreted as relative
+        # to the location of the configuration file
+        if not os.path.isabs(conf[key]):
+            conf[key] = os.path.join(datadir, conf[key])
+
     db = sqlite3.connect(conf['DATABASE'])
     db.execute('''CREATE TABLE IF NOT EXISTS messages (id TEXT PRIMARY KEY)''')
     db.execute('''CREATE TABLE IF NOT EXISTS transactions (id INTEGER PRIMARY KEY)''')