diff --git a/physical.hpp b/physical.hpp
index 885bf55..b057362 100644
--- a/physical.hpp
+++ b/physical.hpp
@@ -81,7 +81,7 @@
     SysfsLed& led;
 
     /** @brief The value that will assert the LED */
-    unsigned long assert;
+    unsigned long assert{};
 
     /** @brief reads sysfs and then setsup the parameteres accordingly
      *