diff --git a/matlab/ols/pooled_ols.m b/matlab/ols/pooled_ols.m
index c10c4d5b8..d044ca308 100644
--- a/matlab/ols/pooled_ols.m
+++ b/matlab/ols/pooled_ols.m
@@ -62,7 +62,7 @@ else
 end
 
 %% Read JSON
-jsonfile = [M_.fname filesep() 'model' filesep() 'json' filesep() 'modfile-original.json']);
+jsonfile = [M_.fname filesep() 'model' filesep() 'json' filesep() 'modfile-original.json'];
 if exist(jsonfile, 'file') ~= 2
     error('Could not find %s! Please use the json=compute option (See the Dynare invocation section in the reference manual).', jsonfile);
 end