diff --git a/src/read_data.cpp b/src/read_data.cpp
index c038d463e8..dc3949ea56 100644
--- a/src/read_data.cpp
+++ b/src/read_data.cpp
@@ -639,7 +639,7 @@ void ReadData::command(int narg, char **arg)
           error->all(FLERR,"Read_data subsequent file cannot switch to restricted triclinic");
         if (xy != domain->xy || xz != domain->xz || yz != domain->yz)
           error->all(FLERR,"Read_data subsequent file tilt factors must be same as first file");
-        
+
       } else {
         if (domain->triclinic)
           error->all(FLERR,"Read_data subsequent file cannot switch to orthogonal");