diff --git a/kivy/uix/camera.py b/kivy/uix/camera.py
index 81eb5dfb9..c707a9cf1 100644
--- a/kivy/uix/camera.py
+++ b/kivy/uix/camera.py
@@ -96,6 +96,8 @@ class Camera(Image):
         self._camera = None
         if self.index < 0:
             return
+        if self.resolution[0] < 0 or self.resolution[1] < 0:
+            return
         self._camera = CoreCamera(index=self.index,
             resolution=self.resolution, stopped=True)
         self._camera.bind(on_load=self._camera_loaded)