diff --git a/src/NVMeSensorMain.cpp b/src/NVMeSensorMain.cpp
index 6c10eb5..7348733 100644
--- a/src/NVMeSensorMain.cpp
+++ b/src/NVMeSensorMain.cpp
@@ -80,8 +80,8 @@
                     continue;
                 }
 
-                unsigned int busNumber =
-                    std::visit(VariantToUnsignedIntVisitor(), findBus->second);
+                int busNumber =
+                    std::visit(VariantToIntVisitor(), findBus->second);
 
                 auto findSensorName = baseConfiguration->second.find("Name");
                 if (findSensorName == baseConfiguration->second.end())