diff --git a/gdbserver_tests/Makefile.am b/gdbserver_tests/Makefile.am
index 7179de5..0b34f4e 100644
--- a/gdbserver_tests/Makefile.am
+++ b/gdbserver_tests/Makefile.am
@@ -4,7 +4,8 @@
 dist_noinst_SCRIPTS = \
 	invoker simulate_control_c make_local_links \
 	filter_gdb filter_make_empty \
-	filter_memcheck_monitor filter_stderr filter_vgdb
+	filter_memcheck_monitor filter_stderr filter_vgdb \
+	send_signal
 
 EXTRA_DIST = \
 	README_DEVELOPERS \