diff --git a/sentry_sdk/tracing.py b/sentry_sdk/tracing.py
index 39d7621b09..410b8c3ad4 100644
--- a/sentry_sdk/tracing.py
+++ b/sentry_sdk/tracing.py
@@ -308,7 +308,9 @@ def iter_headers(self):
             yield "tracestate", tracestate
 
         if self.containing_transaction and self.containing_transaction._baggage:
-            yield "baggage", self.containing_transaction._baggage.serialize()
+            baggage = self.containing_transaction._baggage.serialize()
+            if baggage:
+                yield "baggage", baggage
 
     @classmethod
     def from_traceparent(