diff --git a/src/+dseries/initialize.m b/src/+dseries/initialize.m
index 77e91318b13f8b626a86000ee4e0819e59b2d721..b751b13e2d1ff62dcd564f93c3a876dad5f0d06b 100644
--- a/src/+dseries/initialize.m
+++ b/src/+dseries/initialize.m
@@ -65,7 +65,8 @@ if ~exist('isint','file')
 end
 
 if ~exist('isoctave','file')
-    p{end+1} = 'utilities/missing/isoctave';
+    addpath([dseries_src_root 'utilities/missing/isoctave']);
+    %p{end+1} = 'utilities/missing/isoctave';
 end
 
 if ~exist('shiftS','file')