diff --git a/Calculation/TS_compute.m b/Calculation/TS_compute.m
index da67735c..6b7e3150 100644
--- a/Calculation/TS_compute.m
+++ b/Calculation/TS_compute.m
@@ -112,7 +112,7 @@ function TS_compute(doParallel,ts_id_range,op_id_range,computeWhat,customFile,be
     opCompute = ones(1,height(Operations));
 else
     op_id_range = intersect(op_id_range,allIDs);
-    opCompute = ismember(allIDs,op_id_range);
+    opCompute = ismember(allIDs,op_id_range)';
 end
 
 % Definitions