diff --git a/sensorhandler.cpp b/sensorhandler.cpp
index eacc274..71376d2 100644
--- a/sensorhandler.cpp
+++ b/sensorhandler.cpp
@@ -185,7 +185,7 @@
 
     const auto& info = sensor_it->second;
 
-    char* busname;
+    char* busname = nullptr;
     rc = get_bus_for_path(info.sensorPath.c_str(), &busname);
     if (rc < 0) {
         fprintf(stderr, "Failed to get %s busname: %s\n",