diff --git a/Source/IO/FS/FileTrust.NT.cpp b/Source/IO/FS/FileTrust.NT.cpp
index 46d3ef24..4b097839 100644
--- a/Source/IO/FS/FileTrust.NT.cpp
+++ b/Source/IO/FS/FileTrust.NT.cpp
@@ -53,7 +53,7 @@ namespace Aurora::IO::FS
             return !AuFS::FileExists(path);
         }
 
-        return (gRuntimeConfig.fio.bIsIntranetTrusted && AuStringContains(content, "ZoneId=1\r\n")) || // intranet
+        return (!gRuntimeConfig.fio.bIsIntranetTrusted && AuStringContains(content, "ZoneId=1\r\n")) || // intranet
             AuStringContains(content, "ZoneId=3\r\n") || // internet
             AuStringContains(content, "ZoneId=4\r\n");  // untrusted
     }