diff -ru swayidle-1.2/main.c swayidle-1.2-orig/main.c
--- swayidle-1.2/main.c	2019-01-27 07:22:09.000000000 -0600
+++ swayidle-1.2-orig/main.c	2019-04-07 16:26:44.160064370 -0500
@@ -430,6 +430,7 @@
 		return 1;
 	}
 	assert(false); // not reached
+	return -1;
 }
 
 static int display_event(int fd, uint32_t mask, void *data) {