diff --git a/src/Utils.hpp b/src/Utils.hpp
index cb96822..9f799f5 100644
--- a/src/Utils.hpp
+++ b/src/Utils.hpp
@@ -315,7 +315,8 @@
             retries = 5;
         }
 
-        std::vector<std::string> interfaces(types.size());
+        std::vector<std::string> interfaces;
+        interfaces.reserve(types.size());
         for (const auto& type : types)
         {
             interfaces.push_back(configInterfaceName(type));
diff --git a/src/hwmon-temp/HwmonTempMain.cpp b/src/hwmon-temp/HwmonTempMain.cpp
index cd86571..cdd7cdc 100644
--- a/src/hwmon-temp/HwmonTempMain.cpp
+++ b/src/hwmon-temp/HwmonTempMain.cpp
@@ -537,7 +537,8 @@
                 }
             }
         });
-    std::vector<std::string> types(sensorTypes.size());
+    std::vector<std::string> types;
+    types.reserve(sensorTypes.size());
     for (const auto& [type, dt] : sensorTypes)
     {
         types.push_back(type);
diff --git a/src/psu/PSUSensorMain.cpp b/src/psu/PSUSensorMain.cpp
index ad8b10f..63bc6b5 100644
--- a/src/psu/PSUSensorMain.cpp
+++ b/src/psu/PSUSensorMain.cpp
@@ -1111,7 +1111,8 @@
             createSensorsCallback(io, objectServer, dbusConnection,
                                   sensorConfigs, sensorsChanged, activateOnly);
         });
-    std::vector<std::string> types(sensorTypes.size());
+    std::vector<std::string> types;
+    types.reserve(sensorTypes.size());
     for (const auto& [type, dt] : sensorTypes)
     {
         types.push_back(type);