diff --git a/gtsam_unstable/gtsam_unstable.i b/gtsam_unstable/gtsam_unstable.i
index eea4d861a..9323255ad 100644
--- a/gtsam_unstable/gtsam_unstable.i
+++ b/gtsam_unstable/gtsam_unstable.i
@@ -738,7 +738,7 @@ virtual class ProjectionFactorPPPC : gtsam::NoiseModelFactor {
 };
 typedef gtsam::ProjectionFactorPPPC<gtsam::Pose3, gtsam::Point3, gtsam::Cal3_S2> ProjectionFactorPPPCCal3_S2;
 typedef gtsam::ProjectionFactorPPPC<gtsam::Pose3, gtsam::Point3, gtsam::Cal3DS2> ProjectionFactorPPPCCal3DS2;
-typedef gtsam::ProjectionFactorPPPC<gtsam::Pose3, gtsam::Point3, gtsam::Cal3Fisheye> ProjectionFactorPPPCal3Fisheye;
+typedef gtsam::ProjectionFactorPPPC<gtsam::Pose3, gtsam::Point3, gtsam::Cal3Fisheye> ProjectionFactorPPPCCal3Fisheye;
 
 #include <gtsam_unstable/slam/ProjectionFactorRollingShutter.h>
 virtual class ProjectionFactorRollingShutter : gtsam::NoiseModelFactor {