diff --git a/src/Commands/TraceCommand.php b/src/Commands/TraceCommand.php
index 57e0f57c..ff656348 100644
--- a/src/Commands/TraceCommand.php
+++ b/src/Commands/TraceCommand.php
@@ -15,7 +15,9 @@ class TraceCommand extends Command
      *
      * @var string
      */
-    protected $signature = 'blueprint:trace';
+    protected $signature = 'blueprint:trace
+                            {--path=* : List of paths to search in }
+                            ';
 
     /**
      * The console command description.
@@ -50,7 +52,8 @@ public function __construct(Filesystem $filesystem, Tracer $tracer)
     public function handle()
     {
         $blueprint = resolve(Blueprint::class);
-        $definitions = $this->tracer->execute($blueprint, $this->filesystem);
+        $path = $this->option('path');
+        $definitions = $this->tracer->execute($blueprint, $this->filesystem, $path);
 
         if (empty($definitions)) {
             $this->error('No models found');
diff --git a/src/Tracer.php b/src/Tracer.php
index a3ba9fff..f4fd15a1 100644
--- a/src/Tracer.php
+++ b/src/Tracer.php
@@ -11,12 +11,20 @@ class Tracer
     /** @var Filesystem */
     private $filesystem;
 
-    public function execute(Blueprint $blueprint, Filesystem $filesystem): array
+    public function execute(Blueprint $blueprint, Filesystem $filesystem, array $paths = null): array
     {
         $this->filesystem = $filesystem;
 
+        if (empty($paths)) {
+            $paths = [Blueprint::appPath()];
+
+            if (config('blueprint.models_namespace')) {
+                $paths[0] .= '/'.str_replace('\\', '/', config('blueprint.models_namespace'));
+            }
+        }
+
         $definitions = [];
-        foreach ($this->appClasses() as $class) {
+        foreach ($this->appClasses($paths) as $class) {
             $model = $this->loadModel($class);
             if (is_null($model)) {
                 continue;
@@ -41,25 +49,24 @@ public function execute(Blueprint $blueprint, Filesystem $filesystem): array
         return $definitions;
     }
 
-    private function appClasses()
+    private function appClasses($paths)
     {
-        $dir = Blueprint::appPath();
-
-        if (config('blueprint.models_namespace')) {
-            $dir .= '/' . str_replace('\\', '/', config('blueprint.models_namespace'));
-        }
+        $classes = [];
+        foreach ($paths as $path) {
+            if (!$this->filesystem->exists($path)) {
+                continue;
+            }
 
-        if (!$this->filesystem->exists($dir)) {
-            return [];
+            $classes = array_merge($classes, $this->filesystem->allFiles($path));
         }
 
         return array_map(function (\SplFIleInfo $file) {
-            return str_replace(
-                [Blueprint::appPath() . '/', '/'],
-                [config('blueprint.namespace') . '\\', '\\'],
-                $file->getPath() . '/' . $file->getBasename('.php')
-            );
-        }, $this->filesystem->allFiles($dir));
+            $content = $this->filesystem->get($file->getPathName());
+            preg_match("/namespace ([\w\\\\]+)/", $content, $namespace);
+            preg_match("/class (\w+)/", $content, $class);
+
+            return ($namespace[1] ?? '').'\\'.($class[1] ?? '');
+        }, $classes);
     }
 
     private function loadModel(string $class)
diff --git a/tests/Feature/Commands/EraseCommandTest.php b/tests/Feature/Commands/EraseCommandTest.php
index ed3c69c9..b7c4d53c 100644
--- a/tests/Feature/Commands/EraseCommandTest.php
+++ b/tests/Feature/Commands/EraseCommandTest.php
@@ -83,6 +83,6 @@ public function it_calls_the_trace_command()
             ->assertExitCode(0);
 
         $tracer->shouldHaveReceived('execute')
-            ->with(resolve(Blueprint::class), $this->filesystem);
+            ->with(resolve(Blueprint::class), $this->filesystem, []);
     }
 }
diff --git a/tests/Feature/Commands/TraceCommandTest.php b/tests/Feature/Commands/TraceCommandTest.php
index 4a281319..ae09e526 100644
--- a/tests/Feature/Commands/TraceCommandTest.php
+++ b/tests/Feature/Commands/TraceCommandTest.php
@@ -23,7 +23,7 @@ public function it_shows_error_if_no_model_found()
         $tracer = $this->mock(Tracer::class);
 
         $tracer->shouldReceive('execute')
-            ->with(resolve(Blueprint::class), $this->files)
+            ->with(resolve(Blueprint::class), $this->files, [])
             ->andReturn([]);
 
         $this->artisan('blueprint:trace')
@@ -37,7 +37,7 @@ public function it_shows_the_number_of_traced_models()
         $tracer = $this->mock(Tracer::class);
 
         $tracer->shouldReceive('execute')
-            ->with(resolve(Blueprint::class), $this->files)
+            ->with(resolve(Blueprint::class), $this->files, [])
             ->andReturn([
                 "Model" => [],
                 "OtherModel" => [],
@@ -47,4 +47,21 @@ public function it_shows_the_number_of_traced_models()
             ->assertExitCode(0)
             ->expectsOutput('Traced 2 models');
     }
+
+    /** @test */
+    public function it_passes_the_command_path_to_tracer()
+    {
+        $this->filesystem->shouldReceive('exists')
+            ->with('test.yml')
+            ->andReturnTrue();
+
+        $builder = $this->mock(Builder::class);
+
+        $builder->shouldReceive('execute')
+            ->with(resolve(Blueprint::class), $this->files, 'vendor/package/src/app/Models')
+            ->andReturn([]);
+
+        $this->artisan('blueprint:trace --path=vendor/package/src/app/Models')
+            ->assertExitCode(0);
+    }
 }