diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7c00715e79..37bdf27574 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -63,6 +63,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#3936](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3936))
 - `opentelemetry-instrumentation-aiohttp-client`: Update instrumentor to respect suppressing http instrumentation
   ([#3957](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3957))
+- `opentelemetry-instrumentation-pymongo` Fix type-related errors in certain usages of the PyMongo span `DB_MONGODB_COLLECTION` attribute
+  ([#2010](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/2010))
 
 ## Version 1.38.0/0.59b0 (2025-10-16)
 
diff --git a/instrumentation/opentelemetry-instrumentation-pymongo/src/opentelemetry/instrumentation/pymongo/__init__.py b/instrumentation/opentelemetry-instrumentation-pymongo/src/opentelemetry/instrumentation/pymongo/__init__.py
index 2a9eeed281..f60fc776ae 100644
--- a/instrumentation/opentelemetry-instrumentation-pymongo/src/opentelemetry/instrumentation/pymongo/__init__.py
+++ b/instrumentation/opentelemetry-instrumentation-pymongo/src/opentelemetry/instrumentation/pymongo/__init__.py
@@ -148,7 +148,7 @@ def started(self, event: monitoring.CommandStartedEvent):
                 )
                 span.set_attribute(SpanAttributes.DB_NAME, event.database_name)
                 span.set_attribute(SpanAttributes.DB_STATEMENT, statement)
-                if collection:
+                if collection and isinstance(collection, str):
                     span.set_attribute(
                         SpanAttributes.DB_MONGODB_COLLECTION, collection
                     )