diff --git a/util.cpp b/util.cpp
index de92772..84c1889 100644
--- a/util.cpp
+++ b/util.cpp
@@ -158,6 +158,7 @@
 {
     std::vector<std::string> results;
 
+    results.reserve(sensorInputs.size());
     for (const auto& sensorInput : sensorInputs)
     {
         results.emplace_back(sensorInput.name);