diff --git a/gtsam/slam/EssentialMatrixFactor.h b/gtsam/slam/EssentialMatrixFactor.h
index 06f32890a..02664af41 100644
--- a/gtsam/slam/EssentialMatrixFactor.h
+++ b/gtsam/slam/EssentialMatrixFactor.h
@@ -155,7 +155,7 @@ public:
 
     // We have point x,y in image 1
     // Given a depth Z, the corresponding 3D point P1 = Z*(x,y,1) = (x,y,1)/d
-    // We then convert to second camera by P2 = 1R2Õ*(P1-1T2)
+    // We then convert to second camera by P2 = 1R2�*(P1-1T2)
     // The homogeneous coordinates of can be written as
     //   2R1*(P1-1T2) ==  2R1*d*(P1-1T2) == 2R1*((x,y,1)-d*1T2)
     // where we multiplied with d which yields equivalent homogeneous coordinates.
diff --git a/gtsam/slam/tests/testEssentialMatrixFactor.cpp b/gtsam/slam/tests/testEssentialMatrixFactor.cpp
index 69e78c410..6d85685d5 100644
--- a/gtsam/slam/tests/testEssentialMatrixFactor.cpp
+++ b/gtsam/slam/tests/testEssentialMatrixFactor.cpp
@@ -154,8 +154,8 @@ TEST (EssentialMatrixFactor2, factor) {
     EssentialMatrixFactor2 factor(100, i, pA(i), pB(i), model2);
 
     // Check evaluation
-    Point3 P1 = data.tracks[i].p;
-    const Point2 pi = camera2.project(P1);
+    Point3 P1 = data.tracks[i].p, P2 = data.cameras[1].pose().transform_to(P1);
+    const Point2 pi = SimpleCamera::project_to_camera(P2);
     Point2 reprojectionError(pi - pB(i));
     Vector expected = reprojectionError.vector();