diff --git a/src/Resolvers/Resolver.php b/src/Resolvers/Resolver.php
index 5d591e1..b4d9020 100644
--- a/src/Resolvers/Resolver.php
+++ b/src/Resolvers/Resolver.php
@@ -63,6 +63,10 @@ public function last(string $migration): string
             $migration .= '->default("'.$this->column->default.'")';
         }
 
+        if ($this->column->primaryKey === true && $this->column->field !== 'id') {
+            $migration .= '->primary()';
+        }
+
         return $migration.';';
     }
 
diff --git a/tests/Unit/Generators/ModelGeneratorTest.php b/tests/Unit/Generators/ModelGeneratorTest.php
index 79e3ca8..f2bc546 100644
--- a/tests/Unit/Generators/ModelGeneratorTest.php
+++ b/tests/Unit/Generators/ModelGeneratorTest.php
@@ -104,4 +104,20 @@ public function test_primary_key_is_empty_when_field_name_is_id(): void
 
         $this->assertStringNotContainsString('primaryKey', $file);
     }
+
+    public function test_primary_key_is_empty_when_field_name_is_not_id(): void
+    {
+        File::system()->delete(Path::testgen().DIRECTORY_SEPARATOR.'Sample.php');
+
+        ModelGenerator::make(
+            new Table('samples', [
+                Column::make('play_code', 'varchar', unsigned: false, autoIncrement: false, primaryKey: true),
+            ]),
+            destination: Path::testgen()
+        )->run();
+
+        $file = File::system()->read(Path::testgen().DIRECTORY_SEPARATOR.'Sample.php');
+
+        $this->assertStringContainsString('protected $primaryKey = \'play_code\';', $file);
+    }
 }