diff --git a/flutter/macos/Runner.xcodeproj/project.pbxproj b/flutter/macos/Runner.xcodeproj/project.pbxproj
index 514baaebc..f38badcbb 100644
--- a/flutter/macos/Runner.xcodeproj/project.pbxproj
+++ b/flutter/macos/Runner.xcodeproj/project.pbxproj
@@ -210,7 +210,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0920;
-				LastUpgradeCheck = 1430;
+				LastUpgradeCheck = 1510;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
 					33CC10EC2044A3C60003C045 = {
diff --git a/flutter/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme b/flutter/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
index 12c2b8aa8..08643aee9 100644
--- a/flutter/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
+++ b/flutter/macos/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1430"
+   LastUpgradeVersion = "1510"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/src/server/connection.rs b/src/server/connection.rs
index a30ec708f..f5bc16482 100644
--- a/src/server/connection.rs
+++ b/src/server/connection.rs
@@ -958,7 +958,7 @@ impl Connection {
         }
         #[cfg(not(any(target_os = "android", target_os = "ios")))]
         if crate::is_server() && Config::get_option("allow-only-conn-window-open") == "Y" {
-            if crate::check_process("", false) {
+            if !crate::check_process("", false) {
                 self.send_login_error("The main window is not open").await;
                 return false;
             }