diff --git a/overviewer_core/aux_files/genPOI.py b/overviewer_core/aux_files/genPOI.py
index 45e36ff..bc71b5b 100755
--- a/overviewer_core/aux_files/genPOI.py
+++ b/overviewer_core/aux_files/genPOI.py
@@ -167,7 +167,7 @@ def main():
         
         rset = w.get_regionset(render['dimension'][1])
         if rset == None: # indicates no such dimension was found:
-            logging.error("Sorry, you requested dimension '%s' for %s, but I couldn't find it", render['dimension'][0], render_name)
+            logging.error("Sorry, you requested dimension '%s' for the render '%s', but I couldn't find it", render['dimension'][0], rname)
             return 1
       
         for f in render['markers']: