diff --git a/zap/src/output/luau/client.rs b/zap/src/output/luau/client.rs
index 2248a16e..a828c9cd 100644
--- a/zap/src/output/luau/client.rs
+++ b/zap/src/output/luau/client.rs
@@ -476,12 +476,10 @@ impl<'src> ClientOutput<'src> {
 		if !self.config.fndecls.is_empty() {
 			self.push_line("local function_call_id = 0");
 
-			if !self.config.async_lib.is_empty() {
-				if self.config.typescript {
-					self.push_line(&format!("local Promise = {}.Promise", self.config.async_lib))
-				} else {
-					self.push_line(&format!("local {} = {}", self.config.yield_type, self.config.async_lib))
-				}
+			if self.config.typescript && self.config.yield_type == YieldType::Promise {
+				self.push_line("local Promise = _G[script].Promise")
+			} else if !self.config.async_lib.is_empty() {
+				self.push_line(&format!("local {} = {}", self.config.yield_type, self.config.async_lib))
 			}
 		}
 
diff --git a/zap/src/output/luau/mod.rs b/zap/src/output/luau/mod.rs
index da6edb96..dc087097 100644
--- a/zap/src/output/luau/mod.rs
+++ b/zap/src/output/luau/mod.rs
@@ -191,7 +191,7 @@ pub trait Output {
 		self.push_line("--!optimize 2");
 		self.push_line("--!nocheck");
 		self.push_line("--!nolint");
-		self.push_line("--#selene: allow(unused_variable, incorrect_standard_library_use)");
+		self.push_line("--#selene: allow(unused_variable, incorrect_standard_library_use, global_usage)");
 
 		self.push_line(&format!(
 			"-- {scope} generated by Zap v{} (https://github.com/red-blox/zap)",
diff --git a/zap/src/parser/convert.rs b/zap/src/parser/convert.rs
index 8bdb8d40..832cfd69 100644
--- a/zap/src/parser/convert.rs
+++ b/zap/src/parser/convert.rs
@@ -96,7 +96,7 @@ impl<'src> Converter<'src> {
 
 		let casing = self.casing_opt(&config.opts);
 		let yield_type = self.yield_type_opt(typescript, &config.opts);
-		let async_lib = self.async_lib(yield_type, &config.opts);
+		let async_lib = self.async_lib(yield_type, &config.opts, typescript);
 
 		let config = Config {
 			tydecls,
@@ -121,7 +121,7 @@ impl<'src> Converter<'src> {
 		(config, self.reports)
 	}
 
-	fn async_lib(&mut self, yield_type: YieldType, opts: &[SyntaxOpt<'src>]) -> &'src str {
+	fn async_lib(&mut self, yield_type: YieldType, opts: &[SyntaxOpt<'src>], typescript: bool) -> &'src str {
 		let (async_lib, async_lib_span) = self.str_opt("async_lib", "", opts);
 
 		if let Some(span) = async_lib_span {
@@ -136,7 +136,7 @@ impl<'src> Converter<'src> {
 					expected: "that `async_lib` cannot be defined when using a `yield_type` of `yield`",
 				});
 			}
-		} else if async_lib.is_empty() && yield_type != YieldType::Yield {
+		} else if async_lib.is_empty() && yield_type != YieldType::Yield && !typescript {
 			self.report(Report::AnalyzeMissingOptValue {
 				expected: "`async_lib`",
 				required_when: "`yield_type` is set to `promise` or `future`.",