diff --git a/src/Illuminate/Foundation/Testing/Concerns/InteractsWithPages.php b/src/Illuminate/Foundation/Testing/Concerns/InteractsWithPages.php
index e81aa361aa41..d335493b692c 100644
--- a/src/Illuminate/Foundation/Testing/Concerns/InteractsWithPages.php
+++ b/src/Illuminate/Foundation/Testing/Concerns/InteractsWithPages.php
@@ -635,6 +635,7 @@ protected function storeInput($element, $text)
         $this->assertFilterProducesResults($element);
 
         $element = str_replace('#', '', $element);
+        $element = str_replace('[]', '', $element);
 
         $this->inputs[$element] = $text;