diff --git a/src/gui_define_comm_options.m b/src/gui_define_comm_options.m
index 4246f52725d6d859470eeda86d2ca5410e64b773..0683e89864697d4837a26cc18b1d9ef3c5631bba 100644
--- a/src/gui_define_comm_options.m
+++ b/src/gui_define_comm_options.m
@@ -236,8 +236,8 @@ handles.pushbuttonReset = uicontrol( ...
                         tab_handles.values(ii).String = num2str(user_defined_options.(group{ii,1}), 15);
                     elseif strcmp(option_type, '[INTEGER1:INTEGER2]') ...
                             || strcmp(option_type, 'INTEGER or [INTEGER1:INTEGER2]') ...
-                            || strcmp(option_type, '[DOUBLE DOUBLE')
-                        tab_handles.values(ii).Value = str2num(user_defined_options.(group{ii,1}));
+                            || strcmp(option_type, '[DOUBLE DOUBLE]')
+                        tab_handles.values(ii).Value = str2double(user_defined_options.(group{ii,1}));
                         tab_handles.values(ii).String = user_defined_options.(group{ii,1});
                     elseif strcmp(option_type, 'eps, pdf, fig, none') ...
                             || strcmp(option_type, 'FILENAME') ...