diff --git a/hw/xquartz/pbproxy/app-main.m b/hw/xquartz/pbproxy/app-main.m
index cb0fa5744..d4b43c6ae 100644
--- a/hw/xquartz/pbproxy/app-main.m
+++ b/hw/xquartz/pbproxy/app-main.m
@@ -50,6 +50,9 @@ static void signal_handler (int sig) {
 }
 
 int main (int argc, const char *argv[]) {
+    const char *s;
+    int i;
+
 #ifdef DEBUG
     printf("pid: %u\n", getpid());
 #endif