diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index 3089073..f8b9158 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -56,6 +56,7 @@ target_link_libraries(Subprocess-test
 add_executable(QuadTree-test QuadTree.test.c)
 target_link_libraries(QuadTree-test
 	QuadTree
+	m
 	rand
 	pointers
 	allocator-interface