diff --git a/test/write_events.cc b/test/write_events.cc
index 9111fbbcc..e1bad3800 100644
--- a/test/write_events.cc
+++ b/test/write_events.cc
@@ -1,7 +1,7 @@
 #include "write_events.h"
 #include "podio/ROOTFrameWriter.h"
 
-int main(int argc, char* argv[]) {
+int main(int, char*[]) {
 
   write<podio::ROOTFrameWriter>("edm4hep_events.root");
 }