diff --git a/admin/tool/profiling/lang/en/tool_profiling.php b/admin/tool/profiling/lang/en/tool_profiling.php
index 4390fddefc6..5e64af31a71 100644
--- a/admin/tool/profiling/lang/en/tool_profiling.php
+++ b/admin/tool/profiling/lang/en/tool_profiling.php
@@ -42,6 +42,7 @@ $string['importok'] = 'File "{$a}" imported successfully.';
 $string['importprefix'] = 'Import prefix';
 $string['importproblem'] = 'Some problem happened importing the file "{$a}".';
 $string['lastrunof'] = 'Summary of last run of {$a}';
+$string['lastrun'] = 'Summary of last run';
 $string['markreferencerun'] = 'Mark as reference run/comment';
 $string['memory'] = 'Memory used';
 $string['pluginname'] = 'Profiling runs';