diff --git a/admin/samplesearch.php b/admin/samplesearch.php
index 723065ec..724d1131 100644
--- a/admin/samplesearch.php
+++ b/admin/samplesearch.php
@@ -101,7 +101,8 @@ if ($sample_import_id != false)
 			FROM sample_var AS sv
 			JOIN (sample as s) ON (s.import_id = '$sample_import_id' and sv.sample_id = s.sample_id)
 			LEFT JOIN (`case` AS c, questionnaire AS q) ON ( c.sample_id = sv.sample_id AND q.questionnaire_id = c.questionnaire_id )
-			WHERE sv.val LIKE $search";
+			WHERE sv.val LIKE $search
+			GROUP BY s.sample_id";
 
 		$r = $db->GetAll($sql);