diff --git a/.changeset/sharp-planets-rescue.md b/.changeset/sharp-planets-rescue.md
new file mode 100644
index 00000000..90c92c51
--- /dev/null
+++ b/.changeset/sharp-planets-rescue.md
@@ -0,0 +1,5 @@
+---
+"@openai/agents-realtime": patch
+---
+
+fix: allow setting an initial tracing configuration for Realtime
diff --git a/packages/agents-realtime/src/openaiRealtimeBase.ts b/packages/agents-realtime/src/openaiRealtimeBase.ts
index f37e49c3..f4c15b89 100644
--- a/packages/agents-realtime/src/openaiRealtimeBase.ts
+++ b/packages/agents-realtime/src/openaiRealtimeBase.ts
@@ -665,6 +665,7 @@ export abstract class OpenAIRealtimeBase
     }
 
     if (
+      this.#tracingConfig !== null && 
       typeof this.#tracingConfig !== 'string' &&
       typeof tracingConfig !== 'string'
     ) {