diff --git a/include/app.hpp b/include/app.hpp
index c4f0491..a6c4568 100644
--- a/include/app.hpp
+++ b/include/app.hpp
@@ -49,7 +49,7 @@ class Application {
         sigset_t sigset;
     };
 
-    Config m_config;  // m_ is prefix for member variable
+    Config m_config{};  // m_ is prefix for member variable
     Control m_control{};
     Sensors m_sensors{};