diff --git a/src/test/CMakeLists.txt b/src/test/CMakeLists.txt
index 6154865294f..cc602cfc75f 100644
--- a/src/test/CMakeLists.txt
+++ b/src/test/CMakeLists.txt
@@ -1111,6 +1111,7 @@ add_executable(test_librbd
   librbd/test_fixture.cc
   librbd/test_ImageWatcher.cc
   librbd/test_internal.cc
+  librbd/test_support.cc
   librbd/test_main.cc
   $<TARGET_OBJECTS:heap_profiler_objs>
   ${CMAKE_SOURCE_DIR}/src/common/TextTable.cc