diff --git a/distrib/scripts/manifests/stc.rsp b/distrib/scripts/manifests/stc.rsp
index 96d3f2babd..c6c6ecce63 100644
--- a/distrib/scripts/manifests/stc.rsp
+++ b/distrib/scripts/manifests/stc.rsp
@@ -2,6 +2,7 @@
 src/stc/*.cpp
 src/stc/stc.cpp.in
 src/stc/stc.h.in
+src/stc/gen_iface.py
 src/stc/*.h
 src/stc/*.rc
 src/stc/*.def