diff --git a/src/test/fuzz/system.cpp b/src/test/fuzz/system.cpp
--- a/src/test/fuzz/system.cpp
+++ b/src/test/fuzz/system.cpp
@@ -117,7 +117,7 @@
                 const std::vector<std::string> random_arguments =
                     ConsumeRandomLengthStringVector(fuzzed_data_provider);
                 std::vector<const char *> argv;
-                argv.resize(random_arguments.size());
+                argv.reserve(random_arguments.size());
                 for (const std::string &random_argument : random_arguments) {
                     argv.push_back(random_argument.c_str());
                 }