diff --git a/core/testcontainers/compose/compose.py b/core/testcontainers/compose/compose.py
index dbaa8f44..4defac60 100644
--- a/core/testcontainers/compose/compose.py
+++ b/core/testcontainers/compose/compose.py
@@ -506,7 +506,7 @@ def get_service_port(
 
         Returns
         -------
-        str:
+        int:
             The mapped port on the host
         """
         normalize: PublishedPortModel = self.get_container(service_name).get_publisher(by_port=port).normalize()