diff --git a/matlab/dynare_config.m b/matlab/dynare_config.m
index 5d24b70ace6afa16538890b990e23aa056898a07..d52ec966292cd4aef021092ec5476053a50387ff 100644
--- a/matlab/dynare_config.m
+++ b/matlab/dynare_config.m
@@ -91,7 +91,8 @@ if ~isoctave && matlab_ver_less_than('7.4')
 end
 
 % ilu is missing in old versions of MATLAB and in Octave < 4.0
-if (isoctave && octave_ver_less_than('4.0')) || matlab_ver_less_than('7.4')
+if (isoctave && octave_ver_less_than('4.0')) || ..
+        (~isoctave && matlab_ver_less_than('7.4'))
     addpath([dynareroot '/missing/ilu'])
 end