diff --git a/miscutils/ttysize.c b/miscutils/ttysize.c
index a63b731..135ce85 100644
--- a/miscutils/ttysize.c
+++ b/miscutils/ttysize.c
@@ -18,6 +18,10 @@
 //config:	  error, but returns default 80x24.
 //config:	  Usage in shell scripts: width=`ttysize w`.
 
+//applet:IF_TTYSIZE(APPLET(ttysize, BB_DIR_USR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_TTYSIZE) += ttysize.o
+
 //usage:#define ttysize_trivial_usage
 //usage:       "[w] [h]"
 //usage:#define ttysize_full_usage "\n\n"