Index: uspace/app/tester/Makefile
===================================================================
--- uspace/app/tester/Makefile	(revision 7a2c479a365191bf8670a33562761226b831113d)
+++ uspace/app/tester/Makefile	(revision ae5aa909215804fae89d778dde33d31ad6dbdcaa)
@@ -55,4 +55,5 @@
 	ipc/answer.c \
 	ipc/hangup.c \
+	ipc/ping_pong.c \
 	loop/loop1.c \
 	devmap/devmap1.c \