diff --git a/database/seeds/DateFormatsSeeder.php b/database/seeds/DateFormatsSeeder.php
index c55028b6840c..ab9f8c13d046 100644
--- a/database/seeds/DateFormatsSeeder.php
+++ b/database/seeds/DateFormatsSeeder.php
@@ -27,7 +27,8 @@ class DateFormatsSeeder extends Seeder
         ];
 
         foreach ($formats as $format) {
-            $record = DateFormat::whereFormat($format['format'])->first();
+            // use binary to support case-sensitive search
+            $record = DateFormat::whereRaw("BINARY `format`= ?", array($format['format']))->first();
             if ($record) {
                 $record->picker_format = $format['picker_format'];
                 $record->save();