diff --git a/src/main/main.cpp b/src/main/main.cpp
index 6d5fbb2..ed1f4dd 100644
--- a/src/main/main.cpp
+++ b/src/main/main.cpp
@@ -71,7 +71,7 @@ int main(int argc, char** argv) {
     }
 
     try {
-        std::stoi(argv[1]);
+        (void)std::stoi(argv[1]);
     } catch (std::exception& e) {
         LOG_ERROR("main: invalid port");
         PRINT_USAGE;