diff --git a/dbus/dbusconfiguration.cpp b/dbus/dbusconfiguration.cpp
index 7e34b55..8b18b4f 100644
--- a/dbus/dbusconfiguration.cpp
+++ b/dbus/dbusconfiguration.cpp
@@ -73,7 +73,7 @@
 
 inline std::string getSensorNameFromPath(const std::string& dbusPath)
 {
-    return dbusPath.substr(dbusPath.find_last_of("/") + 1);
+    return dbusPath.substr(dbusPath.find_last_of('/') + 1);
 }
 
 inline std::string sensorNameToDbusName(const std::string& sensorName)