diff --git a/UtilityApps/src/dumpBfield.cpp b/UtilityApps/src/dumpBfield.cpp
index 0d5b6f0dcc0c0f889a75cae5c5007faccab5c1ff..1422de9c63f1f5e5107faae757a4fc7adc6fa898 100644
--- a/UtilityApps/src/dumpBfield.cpp
+++ b/UtilityApps/src/dumpBfield.cpp
@@ -29,7 +29,7 @@ using namespace DD4hep::Geometry;
 static int invoke_dump_B_field(int argc, char** argv ){
   
   if( argc != 8 ) {
-    std::cout << " usage: dumpBfield compact.xml x y z dx dy dz [in cm]" 
+    std::cout << " usage: dumpBfield compact.xml x y z dx dy dz [in cm]" << std::endl 
 	      << "    will dump the B-field in volume [-x:x,-y:y,-z,z] with steps [dx,dy,dz] "
 	      << std::endl ;