diff --git a/simgear/misc/CMakeLists.txt b/simgear/misc/CMakeLists.txt
index 62303764..22adbf26 100644
--- a/simgear/misc/CMakeLists.txt
+++ b/simgear/misc/CMakeLists.txt
@@ -17,6 +17,7 @@ set(HEADERS
     strutils.hxx
     tabbed_values.hxx
     texcoord.hxx
+    test_macros.hxx
     )
 
 set(SOURCES