diff --git a/src/sampling/probes/probes.C b/src/sampling/probes/probes.C
index 6d072e280958283d91804960811ef36f0166b945..0dd50907d7b4737531cd91cd9ed145c90d0aff9a 100644
--- a/src/sampling/probes/probes.C
+++ b/src/sampling/probes/probes.C
@@ -332,7 +332,8 @@ bool Foam::probes::read(const dictionary& dict)
             WarningInFunction
                 << "Only cell interpolation can be applied when "
                 << "not using fixedLocations.  InterpolationScheme "
-                << "entry will be ignored";
+                << "entry will be ignored"
+                << endl;
         }
     }
     dict.readIfPresent("includeOutOfBounds", includeOutOfBounds_);