diff --git a/kivy/modules/inspector.py b/kivy/modules/inspector.py
index 476d442b3..a2ef6cf2e 100644
--- a/kivy/modules/inspector.py
+++ b/kivy/modules/inspector.py
@@ -230,7 +230,8 @@ class Inspector(FloatLayout):
 
     def on_touch_down(self, touch):
         ret = super(Inspector, self).on_touch_down(touch)
-        if touch.button == 'left' and not ret and self.inspect_enabled:
+        if (('button' not in touch.profile or touch.button == 'left')
+                and not ret and self.inspect_enabled):
             self.highlight_at(*touch.pos)
             if touch.is_double_tap:
                 self.inspect_enabled = False