diff --git a/gtsam/geometry/CalibratedCamera.h b/gtsam/geometry/CalibratedCamera.h
index 1e8287a72..0e6f83fdf 100644
--- a/gtsam/geometry/CalibratedCamera.h
+++ b/gtsam/geometry/CalibratedCamera.h
@@ -227,7 +227,7 @@ public:
   }
 
   /* ************************************************************************* */
-  bool equals(const PinholeBase &camera, double tol) const {
+  bool equals(const PinholeBase &camera, double tol=1e-9) const {
     return pose_.equals(camera.pose(), tol);
   }