diff --git a/include/sensor.hpp b/include/sensor.hpp
index 3c4706f..a8fb952 100644
--- a/include/sensor.hpp
+++ b/include/sensor.hpp
@@ -145,13 +145,13 @@
             std::cerr << "error initializing value interface\n";
         }
         if (thresholdInterfaceWarning &&
-            !thresholdInterfaceWarning->initialize())
+            !thresholdInterfaceWarning->initialize(true))
         {
             std::cerr << "error initializing warning threshold interface\n";
         }
 
         if (thresholdInterfaceCritical &&
-            !thresholdInterfaceCritical->initialize())
+            !thresholdInterfaceCritical->initialize(true))
         {
             std::cerr << "error initializing critical threshold interface\n";
         }