diff --git a/src/config/Config.zig b/src/config/Config.zig
index 00b305486..814532b5d 100644
--- a/src/config/Config.zig
+++ b/src/config/Config.zig
@@ -4121,6 +4121,7 @@ fn writeConfigTemplate(path: []const u8) !void {
         @embedFile("./config-template"),
         .{ .path = path },
     );
+    try writer.flush();
 }
 
 /// Load configurations from the default configuration files. The default