diff --git a/build.zig b/build.zig
index 6cc9fd5..be88bfb 100644
--- a/build.zig
+++ b/build.zig
@@ -13,6 +13,7 @@ pub fn build(b: *std.build.Builder) !void {
 
     const mode = b.standardReleaseOptions();
     const exe = b.addExecutable("zls", "src/main.zig");
+    exe.use_stage1 = true;
     const exe_options = b.addOptions();
     exe.addOptions("build_options", exe_options);
 
@@ -133,6 +134,7 @@ pub fn build(b: *std.build.Builder) !void {
         });
     }
 
+    tests.use_stage1 = true;
     tests.addPackage(.{ .name = "zls", .source = .{ .path = "src/zls.zig" }, .dependencies = exe.packages.items });
     tests.setBuildMode(.Debug);
     tests.setTarget(target);
diff --git a/tests/language_features/comptime_interpreter.zig b/tests/language_features/comptime_interpreter.zig
index dd42a31..ae9311e 100644
--- a/tests/language_features/comptime_interpreter.zig
+++ b/tests/language_features/comptime_interpreter.zig
@@ -32,7 +32,7 @@ test "ComptimeInterpreter - basic test" {
 
     _ = try interpreter.interpret(0, null, .{});
 
-    var bool_type = try interpreter.createType(std.math.maxInt(std.zig.Ast.Node.Index), .{ .@"bool" = {} });
+    var bool_type = try interpreter.createType(std.math.maxInt(std.zig.Ast.Node.Index), .{ .@"bool" = .{} });
     var arg_false = ComptimeInterpreter.Value{
         .interpreter = &interpreter,
         .node_idx = std.math.maxInt(std.zig.Ast.Node.Index),