diff --git a/gtsam/geometry/Cal3Bundler.cpp b/gtsam/geometry/Cal3Bundler.cpp
index 4677dbe45..837ce35e0 100644
--- a/gtsam/geometry/Cal3Bundler.cpp
+++ b/gtsam/geometry/Cal3Bundler.cpp
@@ -94,9 +94,9 @@ Point2 Cal3Bundler::uncalibrate(const Point2& p, //
 }
 
 /* ************************************************************************* */
-Point2 Cal3Bundler::calibrate(const Point2& pi, OptionalJacobian<2, 3> Dcal,
-                              OptionalJacobian<2, 2> Dp,
-                              const double tol) const {
+Point2 Cal3Bundler::calibrate(const Point2& pi, const double tol,
+                              OptionalJacobian<2, 3> Dcal,
+                              OptionalJacobian<2, 2> Dp) const {
   // Copied from Cal3DS2 :-(
   // but specialized with k1,k2 non-zero only and fx=fy and s=0
   const Point2 invKPi((pi.x() - u0_)/f_, (pi.y() - v0_)/f_);
diff --git a/gtsam/geometry/Cal3Bundler.h b/gtsam/geometry/Cal3Bundler.h
index 0636399a2..35398303f 100644
--- a/gtsam/geometry/Cal3Bundler.h
+++ b/gtsam/geometry/Cal3Bundler.h
@@ -120,14 +120,14 @@ public:
   /**
    * Convert a pixel coordinate to ideal coordinate xy
    * @param p point in image coordinates
+   * @param tol optional tolerance threshold value for iterative minimization
    * @param Dcal optional 2*3 Jacobian wrpt Cal3Bundler parameters
    * @param Dp optional 2*2 Jacobian wrpt intrinsic coordinates
-   * @param tol optional tolerance threshold value for iterative minimization
    * @return point in intrinsic coordinates
    */
-  Point2 calibrate(const Point2& pi, OptionalJacobian<2, 3> Dcal = boost::none,
-                   OptionalJacobian<2, 2> Dp = boost::none,
-                   const double tol = 1e-5) const;
+  Point2 calibrate(const Point2& pi, const double tol = 1e-5,
+                   OptionalJacobian<2, 3> Dcal = boost::none,
+                   OptionalJacobian<2, 2> Dp = boost::none) const;
 
   /// @deprecated might be removed in next release, use uncalibrate
   Matrix2 D2d_intrinsic(const Point2& p) const;