diff --git a/miscmaths.cc b/miscmaths.cc
index 53ee0b5953bb17803caf67bbd61d7440e091e06d..e6f023751f9650f37ea72d67cab87910b9768dd5 100644
--- a/miscmaths.cc
+++ b/miscmaths.cc
@@ -1669,7 +1669,7 @@ ReturnMatrix read_vest(string p_fname)
   return p_mat;
 }
 
-void OLS(const Matrix& data,const Matrix& des,const Matrix& tc, Matrix& cope,Matrix& varcope){
+void ols(const Matrix& data,const Matrix& des,const Matrix& tc, Matrix& cope,Matrix& varcope){
   // ols
   // data is t x v
   // des is t x ev (design matrix)
diff --git a/miscmaths.h b/miscmaths.h
index a75c198e337a13bb4355192df93a2a67c7f5ad1d..123d4ba167fb80ab4ee19ec0edb134ee8968664e 100644
--- a/miscmaths.h
+++ b/miscmaths.h
@@ -202,7 +202,7 @@ namespace MISCMATHS {
   // tc is cons x ev (contrast matrix)
   // cope and varcope will be cons x v
   // but will be resized if they are wrong
-  void OLS(const Matrix& data,const Matrix& des,const Matrix& tc, Matrix& cope,Matrix& varcope);
+  void ols(const Matrix& data,const Matrix& des,const Matrix& tc, Matrix& cope,Matrix& varcope);
   int ols_dof(const Matrix& des);