diff --git a/dispatch.c b/dispatch.c
index 37e5a34..1eb2885 100644
--- a/dispatch.c
+++ b/dispatch.c
@@ -48,7 +48,7 @@ dispatch(const char *buf,
   char            text[512];
 
   if (buflen > sizeof(text)) {
-    fprintf(stderr, "Ignoring message: too long (%d bytes)\n", buflen);
+    fprintf(stderr, "Ignoring message: too long (%u bytes)\n", (unsigned int)buflen);
     return;
   }
   memcpy(text, buf, buflen-1);  /* omit newline */
@@ -223,8 +223,8 @@ handle_subproc(struct subproc *s)
   /* Recycle this subproc unless something was read */
   if (0 >= len) {
     if (s->buflen) {
-      fprintf(stderr, "warning: discarding %d characters from subprocess buffer\n",
-              s->buflen);
+      fprintf(stderr, "warning: discarding %u characters from subprocess buffer\n",
+              (unsigned int)s->buflen);
     }
     close(s->fd);
     s->fd = 0;
diff --git a/irc-esc.c b/irc-esc.c
index 26733d9..4487bdd 100644
--- a/irc-esc.c
+++ b/irc-esc.c
@@ -115,4 +115,5 @@ main(int argc, char *argv[])
     }
   }
   change_state(RESET, 0, 0);
+  return 0;
 }