diff --git a/src/mlpack/methods/preprocess/preprocess_imputer_main.cpp b/src/mlpack/methods/preprocess/preprocess_imputer_main.cpp
index 1aaa7ceabc..dfe89071bc 100644
--- a/src/mlpack/methods/preprocess/preprocess_imputer_main.cpp
+++ b/src/mlpack/methods/preprocess/preprocess_imputer_main.cpp
@@ -185,8 +185,8 @@ static void mlpackMain()
         }
         else
         {
-          Log::Fatal << "'" <<  strategy << "' imputation strategy does not exist"
-            << endl;
+          Log::Fatal << "'" <<  strategy << "' imputation strategy "
+              <<" does not exist "<< endl;
         }
       }
     }