diff --git a/sensorset.cpp b/sensorset.cpp
index 268ef3d..f326e88 100644
--- a/sensorset.cpp
+++ b/sensorset.cpp
@@ -47,7 +47,7 @@
             continue;
         }
 
-        container[make_pair(match[1], match[2])].emplace(match[3]);
+        _container[make_pair(match[1], match[2])].emplace(match[3]);
     }
 }