diff --git a/rosetta/polib.py b/rosetta/polib.py
index 89e1620..b151b03 100644
--- a/rosetta/polib.py
+++ b/rosetta/polib.py
@@ -1310,7 +1310,7 @@ class _POFileParser(object):
             if action():
                 self.current_state = state
         except Exception:
-            raise IOError('Syntax error in po file (line %s)' % linenum)
+            raise IOError('Syntax error in po file: %s (line %s)' % (self.instance.fpath, linenum))
 
     # state handlers