diff --git a/matlab/ols/pooled_ols.m b/matlab/ols/pooled_ols.m
index 6949a0a52..9a196ec32 100644
--- a/matlab/ols/pooled_ols.m
+++ b/matlab/ols/pooled_ols.m
@@ -1,4 +1,4 @@
-function param_regex = pooled_ols(ds, param_common, param_regex, overlapping_dates, eqtags)
+function varargout = pooled_ols(ds, param_common, param_regex, overlapping_dates, eqtags)
 % function pooled_ols(ds, param_common, param_regex, overlapping_dates, eqtags)
 % Run Pooled OLS
 % Apply parameter values found to corresponding parameter values in the
@@ -95,6 +95,7 @@ param_regex = param_regex(param_regex_idx);
 st = dbstack(1);
 save_structure_name = 'pooled_ols';
 if strcmp(st(1).name, 'pooled_fgls')
+    varargout{1} = param_regex;
     save_structure_name = 'pooled_fgls';
 end