diff --git a/src/Generators/AbstractGenerator.php b/src/Generators/AbstractGenerator.php
index ee6d0b4..98d32e7 100644
--- a/src/Generators/AbstractGenerator.php
+++ b/src/Generators/AbstractGenerator.php
@@ -7,6 +7,8 @@
 
 abstract class AbstractGenerator
 {
+    public bool $overwriteExistingFile = true;
+
     public function __construct(protected string $name, protected ?string $module = null)
     {
         $this->name = Str::singular($this->name);
@@ -116,7 +118,14 @@ public function write(): void
             mkdir($dir, 0777, true);
         }
 
-        file_put_contents($file, $this->content());
+        if ($this->shouldWriteFile($file)) {
+            file_put_contents($file, $this->content());
+        }
+    }
+
+    public function shouldWriteFile(string $file): bool
+    {
+        return $this->overwriteExistingFile || ! file_exists($file);
     }
 
     public function content(): string
diff --git a/src/Generators/ModuleServiceProviderGenerator.php b/src/Generators/ModuleServiceProviderGenerator.php
index 6b96828..605293f 100644
--- a/src/Generators/ModuleServiceProviderGenerator.php
+++ b/src/Generators/ModuleServiceProviderGenerator.php
@@ -6,6 +6,8 @@
 
 class ModuleServiceProviderGenerator extends AbstractGenerator
 {
+    public bool $overwriteExistingFile = false;
+
     public function className(): string
     {
         return sprintf('%sServiceProvider', Str::singular($this->module()));
diff --git a/tests/Generators/GeneratorTestAbstract.php b/tests/Generators/GeneratorTestAbstract.php
index bda9f42..f44795e 100644
--- a/tests/Generators/GeneratorTestAbstract.php
+++ b/tests/Generators/GeneratorTestAbstract.php
@@ -14,7 +14,7 @@ public function testGenerator(string $name, string $module, string $expectedPath
         foreach ($config as $key => $value) {
             config()->set($key, $value);
         }
-        
+
         $generator = $this->generator($name, $module);
 
         $generator->write();
@@ -28,7 +28,7 @@ public function testGenerator(string $name, string $module, string $expectedPath
         }
     }
 
-    private function generator(string $name, string $module): AbstractGenerator
+    public function generator(string $name, string $module): AbstractGenerator
     {
         $generatorClassName = $this->generatorClassName();
         return new $generatorClassName($name, $module ?: null);
diff --git a/tests/Generators/ModuleServiceProviderGeneratorTest.php b/tests/Generators/ModuleServiceProviderGeneratorTest.php
index b054ff5..85ae7c3 100644
--- a/tests/Generators/ModuleServiceProviderGeneratorTest.php
+++ b/tests/Generators/ModuleServiceProviderGeneratorTest.php
@@ -24,4 +24,19 @@ public static function dataGenerator(): array
             ],
         ];
     }
+
+    public function testItDoesNotOverwriteAnExistingFile(): void
+    {
+        $expectedFile = base_path('app-modules/Posts/src/PostServiceProvider.php');
+
+        // a Module can contain multiple CRUDs
+        // we always only want to create a ModuleServiceProvider once
+        $generator = $this->generator('Post', 'Posts');
+
+        $this->assertTrue($generator->shouldWriteFile($expectedFile));
+
+        $generator->write();
+        
+        $this->assertFalse($generator->shouldWriteFile($expectedFile));
+    }
 }