diff --git a/meson.build b/meson.build
index 99c3ca7..96ed4ef 100644
--- a/meson.build
+++ b/meson.build
@@ -7,4 +7,5 @@
 )
 
 #Add subproject for hsbp-manager
-subdir('hsbp-manager')
+subproject('hsbp-manager')
+subproject('callback-manager')