diff --git a/runit/runsv.c b/runit/runsv.c
index 03187a8..246c502 100644
--- a/runit/runsv.c
+++ b/runit/runsv.c
@@ -390,6 +390,7 @@
 	return 1;
 }
 
+int runsv_main(int argc, char **argv);
 int runsv_main(int argc, char **argv)
 {
 	struct stat s;