diff --git a/matlab/@dseries/dseries.m b/matlab/@dseries/dseries.m
index 2c1ef6485..0257a8931 100644
--- a/matlab/@dseries/dseries.m
+++ b/matlab/@dseries/dseries.m
@@ -10,7 +10,7 @@ function ts = dseries(varargin) % --*-- Unitary tests --*--
 %! @sp 2
 %! If @code{nargin==0} then an empty dseries object is created. The object can be populated with data subsequently using the overloaded subsref method.
 %! @sp 2
-%! If @code{nargin==1} and if the input argument is a @ref{dynDate} object, then a dseries object without data is created. This object can be populated with the overload subsref method.
+%! If @code{nargin==1} and if the input argument is a @ref{dates} object, then a dseries object without data is created. This object can be populated with the overload subsref method.
 %! @sp 2
 %! If @code{nargin==1} and if the input argument is a string for the name of a csv, m or mat file containing data, then a dseries object is created from these data.
 %! @sp 2
@@ -54,7 +54,7 @@ function ts = dseries(varargin) % --*-- Unitary tests --*--
 %! frequency is unspecified. @var{freq} is equal to 4 if data are on a quaterly basis. @var{freq} is equal to
 %! 12 if data are on a monthly basis. @var{freq} is equal to 52 if data are on a weekly basis.
 %! @item init
-%! @ref{dynDate} object, initial date of the dataset.
+%! @ref{dates} object, initial date of the dataset.
 %! @end table
 %! @end deftypefn
 %@eod:
diff --git a/matlab/dynare_estimation_init.m b/matlab/dynare_estimation_init.m
index accea228f..12bccb7b3 100644
--- a/matlab/dynare_estimation_init.m
+++ b/matlab/dynare_estimation_init.m
@@ -483,14 +483,14 @@ if options_.loglinear && ~options_.logdata
 end
 
 % Test if an initial period (different from its default value) is explicitely defined in the datafile.
-if isequal(dataset.init, dynDate(1))
+if isequal(dataset.init, dates(1))
     dataset_default_initial_period = 1;
 else
     dataset_default_initial_period = 0;
 end
 
 %  Test if an initial period (different from its default value) is explicitely defined in the mod file with the set_time command.
-if isequal(options_.initial_period, dynDate(1))
+if isequal(options_.initial_period, dates(1))
     set_time_default_initial_period = 1;
 else
     set_time_default_initial_period = 0;