diff --git a/Makefile.am b/Makefile.am
index b1f6bae8..bc794073 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -80,6 +80,9 @@ modules:
 modules_install:
 	$(MAKE) -C master modules_install
 	$(MAKE) -C devices modules_install
+if ENABLE_TTY
+	$(MAKE) -C tty modules_install
+endif
 
 clean-local:
 	$(MAKE) -C "$(LINUX_SOURCE_DIR)" M="@abs_srcdir@" clean