diff --git a/frame_opencv.py b/frame_opencv.py
index bcf7465..8e5ba13 100644
--- a/frame_opencv.py
+++ b/frame_opencv.py
@@ -378,7 +378,7 @@ class picam():
             self.cam.set_controls({setting : self.camera_default_settings[setting]})
 
     def close(self):
-        cam.close()
+        self.cam.close()
 
 
 class dslr():