diff --git a/panda/src/express/error_utils.cxx b/panda/src/express/error_utils.cxx
index 355566423e..4eeff3d491 100644
--- a/panda/src/express/error_utils.cxx
+++ b/panda/src/express/error_utils.cxx
@@ -55,7 +55,7 @@ handle_socket_error(void) {
     case 10093:
       return "WSAStartup() was not called";
     case 0:
-      return sterror(errno);
+      return strerror(errno);
     default:
       if (express_cat.is_debug())
         express_cat.debug()