diff --git a/database/migrations/2024_12_27_060234_create_studies_table.php b/database/migrations/2024_12_27_060234_create_studies_table.php
index e9ec824..5e9575f 100644
--- a/database/migrations/2024_12_27_060234_create_studies_table.php
+++ b/database/migrations/2024_12_27_060234_create_studies_table.php
@@ -35,7 +35,7 @@ public function up(): void
             $table->string('institution_name')->nullable();
             $table->string('study_description')->nullable();
             $table->string('body_part_examined')->nullable();
-            $table->string('modality', 4)->nullable();
+            $table->string('modality')->nullable();
 
             $table->string('referring_physician_name')->nullable();
             $table->unsignedSmallInteger('image_count')->nullable();