diff --git a/tools/perftest.cpp b/tools/perftest.cpp
index 59faf7ac3a6757c11116e56719949b45daba2a7f..6a4d1bf46a27f0be641c04b632f7cf0292e6c84b 100644
--- a/tools/perftest.cpp
+++ b/tools/perftest.cpp
@@ -102,7 +102,7 @@ benchPingPong(unsigned netSize, unsigned n_parallel) {
 
     auto start = clock::now();
 
-    for (unsigned i=0; i<n_parallel; i++) 
+    for (unsigned i=0; i<n_parallel; i++)
         ping(pong_node, locs[i].first);
 
     {