diff --git a/gtsam/base/Vector.h b/gtsam/base/Vector.h
index 9438937ce..51d2f07c0 100644
--- a/gtsam/base/Vector.h
+++ b/gtsam/base/Vector.h
@@ -272,6 +272,7 @@ GTSAM_EXPORT Vector concatVectors(const std::list<Vector>& vs);
  */
 GTSAM_EXPORT Vector concatVectors(size_t nrVectors, ...);
 
+
 #ifdef GTSAM_ALLOW_DEPRECATED_SINCE_V4
 GTSAM_EXPORT inline Vector abs(const Vector& v){return v.cwiseAbs();}
 GTSAM_EXPORT inline Vector ediv(const Vector &a, const Vector &b) {assert (b.size()==a.size()); return a.cwiseQuotient(b);}
@@ -281,7 +282,7 @@ GTSAM_EXPORT inline double max(const Vector &a){return a.maxCoeff();}
 GTSAM_EXPORT inline double norm_2(const Vector& v) {return v.norm();}
 GTSAM_EXPORT inline Vector reciprocal(const Vector &a) {return a.array().inverse();}
 GTSAM_EXPORT inline Vector repeat(size_t n, double value) {return Vector::Constant(n, value);}
-GTSAM_EXPORT inline const SubVector sub(const Vector &v, size_t i1, size_t i2) {return v.segment(i1,i2-i1);}
+GTSAM_EXPORT inline const Vector sub(const Vector &v, size_t i1, size_t i2) {return v.segment(i1,i2-i1);}
 GTSAM_EXPORT inline void subInsert(Vector& fullVector, const Vector& subVector, size_t i) {fullVector.segment(i, subVector.size()) = subVector;}
 GTSAM_EXPORT inline double sum(const Vector &a){return a.sum();}
 #endif