diff --git a/papi/main.py b/papi/main.py
index d8003d8..1415a2e 100644
--- a/papi/main.py
+++ b/papi/main.py
@@ -64,7 +64,7 @@ def get_rapport(idsonde):
     try:
         last = mesures[idsonde][-1]
     except IndexError:
-        pass
+        return
     else:
         last = utils.prepare(last)
         for name, data in sorted(