diff --git a/src/min_fire.cpp b/src/min_fire.cpp
index 0b0a9d801b..53bedfbb6c 100644
--- a/src/min_fire.cpp
+++ b/src/min_fire.cpp
@@ -314,7 +314,7 @@ int MinFire::iterate(int maxiter)
       for (int i = 0; i < nlocal; i++)
         v[i][0] = v[i][1] = v[i][2] = 0.0;
     }
-    
+
     // min dtv over replicas, if necessary
     // this communicator would be invalid for multiprocess replicas