diff --git a/test/test_solve_phasis.F90 b/test/test_solve_phasis.F90
index 1503947..ecadb0b 100644
--- a/test/test_solve_phasis.F90
+++ b/test/test_solve_phasis.F90
@@ -233,7 +233,7 @@ program test_solve_phasis
   !
   !     TEST
 
-  !$omp parallel num_threads(options%nworker)
+  !$omp parallel num_threads(task_manager%nworker)
   !$omp single
 
   !======================================================