diff --git a/src/Makefile b/src/Makefile
index 71ea0d57b9..ad1f3d4eb2 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -31,6 +31,7 @@ DIRS += db/test
 DIRS += as
 DIRS += util
 DIRS += dbtools
+DIRS += catools
 DIRS += rsrv
 DIRS += rec
 DIRS += dev