diff --git a/src/compute_global_atom.cpp b/src/compute_global_atom.cpp
index c2880763a3..f968d0c014 100644
--- a/src/compute_global_atom.cpp
+++ b/src/compute_global_atom.cpp
@@ -438,8 +438,8 @@ void ComputeGlobalAtom::compute_peratom()
         }
       }
     }
+    ++m;
   }
-  ++m;
 }
 
 /* ----------------------------------------------------------------------