diff --git a/src/meters.cc b/src/meters.cc
index 1448c4a..241a1a7 100644
--- a/src/meters.cc
+++ b/src/meters.cc
@@ -149,6 +149,8 @@ public:
 
     bool hasAllMetersReceivedATelegram()
     {
+        if (meters_.size() < meter_templates_.size()) return false;
+
         for (auto &meter : meters_)
         {
             if (meter->numUpdates() == 0) return false;