diff --git a/fslstats.cc b/fslstats.cc
index f85472bf66cf5cb40095c7be965f6d39c3c472cb..71961593cfb5a148431f7cc994f8f8d90995d32a 100644
--- a/fslstats.cc
+++ b/fslstats.cc
@@ -354,7 +354,7 @@ int fmrib_main_float(int argc, char* argv[],const bool timeseriesMode, const str
       }
     } else if (sarg=="-r") {
       vector<float> limits(vol.robustlimits(mask));
-      cout << limits[0] << " " << limits[1] << endl;
+      cout << limits[0] << " " << limits[1] << " ";
     } else if (sarg=="-R") {
       cout << vol.min(mask) << " " << vol.max(mask) << " ";
     } else if (sarg=="-c") {