diff --git a/packages/langbase/src/langbase/langbase.ts b/packages/langbase/src/langbase/langbase.ts
index e063719..b2c01e5 100644
--- a/packages/langbase/src/langbase/langbase.ts
+++ b/packages/langbase/src/langbase/langbase.ts
@@ -243,7 +243,7 @@ interface PipeBaseOptions {
 	tool_choice?: 'auto' | 'required' | ToolChoice;
 	parallel_tool_calls?: boolean;
 	messages?: Message[];
-	variables?: Variable[];
+	variables?: Variable[] | Record<string, string>;
 	memory?: {
 		name: string;
 	}[];