diff --git a/mysql-test/r/repair.result b/mysql-test/r/repair.result
index 1269c4c85a9..2c194ac8bbc 100644
--- a/mysql-test/r/repair.result
+++ b/mysql-test/r/repair.result
@@ -84,7 +84,7 @@ Error	1034	Number of rows changed from 0 to 157
 SET myisam_repair_threads=2;
 REPAIR TABLE t1;
 Table	Op	Msg_type	Msg_text
-test.t1	repair	error	sort_buffer_size is to small
+test.t1	repair	error	myisam_sort_buffer_size is too small
 test.t1	repair	warning	Number of rows changed from 0 to 157
 test.t1	repair	status	OK
 SET myisam_repair_threads=@@global.myisam_repair_threads;
diff --git a/storage/myisam/sort.c b/storage/myisam/sort.c
index 53eb6b2e310..9d2219cd1fe 100644
--- a/storage/myisam/sort.c
+++ b/storage/myisam/sort.c
@@ -151,7 +151,7 @@ int _create_index_by_sort(MI_SORT_PARAM *info,my_bool no_messages,
             keys < (uint) maxbuffer)
 	{
 	  mi_check_print_error(info->sort_info->param,
-			       "sort_buffer_size is to small");
+			       "myisam_sort_buffer_size is too small");
 	  goto err;
 	}
       }
@@ -175,7 +175,7 @@ int _create_index_by_sort(MI_SORT_PARAM *info,my_bool no_messages,
   }
   if (memavl < MIN_SORT_MEMORY)
   {
-    mi_check_print_error(info->sort_info->param,"Sort buffer to small"); /* purecov: tested */
+    mi_check_print_error(info->sort_info->param,"MyISAM sort buffer too small"); /* purecov: tested */
     goto err; /* purecov: tested */
   }
   (*info->lock_in_memory)(info->sort_info->param);/* Everything is allocated */
@@ -369,7 +369,7 @@ pthread_handler_t thr_find_all_keys(void *arg)
               keys < (uint) maxbuffer)
           {
             mi_check_print_error(sort_param->sort_info->param,
-                                 "sort_buffer_size is to small");
+                                 "myisam_sort_buffer_size is too small");
             goto err;
           }
         }
@@ -397,7 +397,7 @@ pthread_handler_t thr_find_all_keys(void *arg)
     if (memavl < MIN_SORT_MEMORY)
     {
       mi_check_print_error(sort_param->sort_info->param,
-                           "Sort buffer too small");
+                           "MyISAM sort buffer too small");
       goto err; /* purecov: tested */
     }