diff --git a/contrib/buildsystems/CMakeLists.txt b/contrib/buildsystems/CMakeLists.txt
index 832f46b316b764..249c72075bb8a2 100644
--- a/contrib/buildsystems/CMakeLists.txt
+++ b/contrib/buildsystems/CMakeLists.txt
@@ -975,13 +975,14 @@ parse_makefile_for_sources(test-reftable_SOURCES "REFTABLE_TEST_OBJS")
 list(TRANSFORM test-reftable_SOURCES PREPEND "${CMAKE_SOURCE_DIR}/")
 
 #unit-tests
-add_library(unit-test-lib OBJECT ${CMAKE_SOURCE_DIR}/t/unit-tests/test-lib.c)
-add_library(unit-test-lib-oid OBJECT ${CMAKE_SOURCE_DIR}/t/unit-tests/lib-oid.c)
+parse_makefile_for_sources(unit-test_SOURCES "UNIT_TEST_OBJS")
+list(TRANSFORM unit-test_SOURCES REPLACE "\\$\\(UNIT_TEST_DIR\\)/" "${CMAKE_SOURCE_DIR}/t/unit-tests/")
+add_library(unit-test-lib STATIC ${unit-test_SOURCES})
 
 parse_makefile_for_scripts(unit_test_PROGRAMS "UNIT_TEST_PROGRAMS" "")
 foreach(unit_test ${unit_test_PROGRAMS})
 	add_executable("${unit_test}" "${CMAKE_SOURCE_DIR}/t/unit-tests/${unit_test}.c")
-	target_link_libraries("${unit_test}" unit-test-lib unit-test-lib-oid common-main)
+	target_link_libraries("${unit_test}" unit-test-lib common-main)
 	set_target_properties("${unit_test}"
 		PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/t/unit-tests/bin)
 	if(MSVC)