diff --git a/packages/typescript/ai-ollama/src/adapters/text.ts b/packages/typescript/ai-ollama/src/adapters/text.ts
index e96bd52e1..2067ab2a3 100644
--- a/packages/typescript/ai-ollama/src/adapters/text.ts
+++ b/packages/typescript/ai-ollama/src/adapters/text.ts
@@ -452,6 +452,9 @@ export class OllamaTextAdapter<TModel extends string> extends BaseTextAdapter<
       options: ollamaOptions,
       messages: this.formatMessages(options.messages),
       tools: this.convertToolsToOllamaFormat(options.tools),
+      ...(options.systemPrompts?.length
+        ? { system: options.systemPrompts.join('\n') }
+        : {}),
     }
   }
 }