diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -33,6 +33,7 @@
   min_cost_arborescence_test
   min_cost_flow_test
   path_test
+  planarity_test
   preflow_test
   radix_sort_test
   random_test