diff --git a/src/syntax/src/file_types.zig b/src/syntax/src/file_types.zig
index fc11e81..d3aacfa 100644
--- a/src/syntax/src/file_types.zig
+++ b/src/syntax/src/file_types.zig
@@ -37,7 +37,7 @@ pub const conf = .{
     .description = "Config",
     .color = 0x000000,
     .icon = "",
-    .extensions = .{ "conf", "config", ".gitconfig" },
+    .extensions = .{ "conf", "config", ".gitconfig", "gui_config" },
     .highlights = fish.highlights,
     .comment = "#",
     .parser = fish.parser,