diff --git a/ChangeLog.txt b/ChangeLog.txt
index 3448f9a0..717f70c2 100644
--- a/ChangeLog.txt
+++ b/ChangeLog.txt
@@ -7,6 +7,7 @@ Broker:
 Client library:
 - Fix mosquitto_topic_matches_sub2() not using the length parameters.
   Closes #2364.
+- Fix incorrect subscribe_callback in mosquittopp.h. Closes #2367.
 
 
 2.0.13 - 2021-10-27
diff --git a/lib/cpp/mosquittopp.h b/lib/cpp/mosquittopp.h
index be9016d6..f47535a9 100644
--- a/lib/cpp/mosquittopp.h
+++ b/lib/cpp/mosquittopp.h
@@ -64,7 +64,6 @@ mosqpp_EXPORT int subscribe_callback(
 		void *userdata,
 		const char *topic,
 		int qos=0,
-		bool retained=true,
 		const char *host="localhost",
 		int port=1883,
 		const char *client_id=NULL,