diff --git a/CHANGELOG.md b/CHANGELOG.md
index f940271..78881c2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,9 @@ All notable changes to this project will be documented in this file.
 [Next release](https://github.com/barryvdh/laravel-ide-helper/compare/v2.8.1...master)
 --------------
 
+### Added
+- Fix phpdoc generate for custom cast with parameter [\#986 / artelkr](https://github.com/barryvdh/laravel-ide-helper/pull/986)
+
 2020-09-07, 2.8.1
 -----------------
 ### Added
diff --git a/src/Console/ModelsCommand.php b/src/Console/ModelsCommand.php
index 651c041..09526b8 100644
--- a/src/Console/ModelsCommand.php
+++ b/src/Console/ModelsCommand.php
@@ -344,6 +344,9 @@ class ModelsCommand extends Command
                     $realType = '\Illuminate\Support\Collection';
                     break;
                 default:
+                    // In case of an optional custom cast parameter , only evaluate
+                    // the `$type` until the `:`
+                    $type = strtok($type, ':');
                     $realType = class_exists($type) ? ('\\' . $type) : 'mixed';
                     break;
             }
diff --git a/tests/Console/ModelsCommand/LaravelCustomCasts/Casts/CustomCasterWithParam.php b/tests/Console/ModelsCommand/LaravelCustomCasts/Casts/CustomCasterWithParam.php
new file mode 100644
index 0000000..84bdadf
--- /dev/null
+++ b/tests/Console/ModelsCommand/LaravelCustomCasts/Casts/CustomCasterWithParam.php
@@ -0,0 +1,24 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts;
+
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+
+class CustomCasterWithParam implements CastsAttributes
+{
+    public function __construct(string $param)
+    {
+    }
+
+    public function get($model, string $key, $value, array $attributes): CastedProperty
+    {
+        return new CastedProperty();
+    }
+
+    public function set($model, string $key, $value, array $attributes)
+    {
+        // TODO: Implement set() method.
+    }
+}
diff --git a/tests/Console/ModelsCommand/LaravelCustomCasts/Models/CustomCast.php b/tests/Console/ModelsCommand/LaravelCustomCasts/Models/CustomCast.php
index 1799d22..151ac1b 100644
--- a/tests/Console/ModelsCommand/LaravelCustomCasts/Models/CustomCast.php
+++ b/tests/Console/ModelsCommand/LaravelCustomCasts/Models/CustomCast.php
@@ -8,6 +8,7 @@ use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Cas
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithDocblockReturnFqn;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithNullablePrimitiveReturn;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithoutReturnType;
+use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithParam;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithPrimitiveDocblockReturn;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithPrimitiveReturn;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithReturnType;
@@ -23,5 +24,6 @@ class CustomCast extends Model
         'casted_property_with_return_primitive_docblock' => CustomCasterWithPrimitiveDocblockReturn::class,
         'casted_property_with_return_nullable_primitive' => CustomCasterWithNullablePrimitiveReturn::class,
         'casted_property_without_return' => CustomCasterWithoutReturnType::class,
+        'casted_property_with_param' => CustomCasterWithParam::class . ':param',
     ];
 }
diff --git a/tests/Console/ModelsCommand/LaravelCustomCasts/__snapshots__/Test__test__1.php b/tests/Console/ModelsCommand/LaravelCustomCasts/__snapshots__/Test__test__1.php
index a431f81..8b55303 100644
--- a/tests/Console/ModelsCommand/LaravelCustomCasts/__snapshots__/Test__test__1.php
+++ b/tests/Console/ModelsCommand/LaravelCustomCasts/__snapshots__/Test__test__1.php
@@ -8,6 +8,7 @@ use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Cas
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithDocblockReturnFqn;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithNullablePrimitiveReturn;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithoutReturnType;
+use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithParam;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithPrimitiveDocblockReturn;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithPrimitiveReturn;
 use Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CustomCasterWithReturnType;
@@ -23,9 +24,11 @@ use Illuminate\Database\Eloquent\Model;
  * @property array|null $casted_property_with_return_primitive_docblock
  * @property array|null $casted_property_with_return_nullable_primitive
  * @property $casted_property_without_return
+ * @property \Barryvdh\LaravelIdeHelper\Tests\Console\ModelsCommand\LaravelCustomCasts\Casts\CastedProperty $casted_property_with_param
  * @method static \Illuminate\Database\Eloquent\Builder|CustomCast newModelQuery()
  * @method static \Illuminate\Database\Eloquent\Builder|CustomCast newQuery()
  * @method static \Illuminate\Database\Eloquent\Builder|CustomCast query()
+ * @method static \Illuminate\Database\Eloquent\Builder|CustomCast whereCastedPropertyWithParam($value)
  * @method static \Illuminate\Database\Eloquent\Builder|CustomCast whereCastedPropertyWithReturnDocblock($value)
  * @method static \Illuminate\Database\Eloquent\Builder|CustomCast whereCastedPropertyWithReturnDocblockFqn($value)
  * @method static \Illuminate\Database\Eloquent\Builder|CustomCast whereCastedPropertyWithReturnNullablePrimitive($value)
@@ -45,5 +48,6 @@ class CustomCast extends Model
         'casted_property_with_return_primitive_docblock' => CustomCasterWithPrimitiveDocblockReturn::class,
         'casted_property_with_return_nullable_primitive' => CustomCasterWithNullablePrimitiveReturn::class,
         'casted_property_without_return' => CustomCasterWithoutReturnType::class,
+        'casted_property_with_param' => CustomCasterWithParam::class . ':param',
     ];
 }
diff --git a/tests/Console/ModelsCommand/migrations/____custom_casts_table.php b/tests/Console/ModelsCommand/migrations/____custom_casts_table.php
index 105e57a..ccf3e54 100644
--- a/tests/Console/ModelsCommand/migrations/____custom_casts_table.php
+++ b/tests/Console/ModelsCommand/migrations/____custom_casts_table.php
@@ -18,6 +18,7 @@ class CustomCastsTable extends Migration
             $table->string('casted_property_with_return_primitive_docblock');
             $table->string('casted_property_with_return_nullable_primitive');
             $table->string('casted_property_without_return');
+            $table->string('casted_property_with_param');
         });
     }
 }