diff --git a/lms/djangoapps/mobile_api/users/serializers.py b/lms/djangoapps/mobile_api/users/serializers.py
index 014a94c1c38b..670483e8522a 100644
--- a/lms/djangoapps/mobile_api/users/serializers.py
+++ b/lms/djangoapps/mobile_api/users/serializers.py
@@ -150,6 +150,7 @@ class Meta:
         model = CourseEnrollment
         fields = ('audit_access_expires', 'created', 'mode', 'is_active', 'course', 'certificate', 'course_modes')
         lookup_field = 'username'
+        ref_name = "MobileCourseEnrollment"  # Explicit ref_name to help avoid conflicts with other similar serializers
 
 
 class CourseEnrollmentSerializerv05(CourseEnrollmentSerializer):
diff --git a/openedx/core/djangoapps/enrollments/serializers.py b/openedx/core/djangoapps/enrollments/serializers.py
index 9b64cc95caf8..decd06e218bb 100644
--- a/openedx/core/djangoapps/enrollments/serializers.py
+++ b/openedx/core/djangoapps/enrollments/serializers.py
@@ -87,6 +87,7 @@ class Meta:
         model = CourseEnrollment
         fields = ("created", "mode", "is_active", "course_details", "user")
         lookup_field = "username"
+        ref_name = "CourseEnrollment"  # Explicit ref_name to help avoid conflicts with other similar serializers
 
 
 class CourseEnrollmentsApiListSerializer(CourseEnrollmentSerializer):