diff --git a/src/kits/Jamfile b/src/kits/Jamfile
index cfd3cf1e42..2ba1151353 100644
--- a/src/kits/Jamfile
+++ b/src/kits/Jamfile
@@ -21,6 +21,7 @@ for subdir in $(subdirs) {
 UsePrivateHeaders shared app [ FDirName servers app ] ;
 UsePrivateHeaders kernel ;
 	# for syscalls.h
+UsePrivateHeaders input ;
 
 # Add subsubdirs to the SEARCH_SOURCE.
 SEARCH_SOURCE += [ FDirName $(SUBDIR) interface BTextView ] ;