diff --git a/deps/amqp10_client/src/amqp10_client_connection.erl b/deps/amqp10_client/src/amqp10_client_connection.erl
index c6d7a6176c..01eeafd57b 100644
--- a/deps/amqp10_client/src/amqp10_client_connection.erl
+++ b/deps/amqp10_client/src/amqp10_client_connection.erl
@@ -191,8 +191,8 @@ hdr_sent({protocol_header_received, 0, 1, 0, 0}, State) ->
     end;
 hdr_sent({protocol_header_received, Protocol, Maj, Min,
                                 Rev}, State) ->
-    ?DBG("Unsupported protocol version: ~b ~b.~b.~b~n",
-                          [Protocol, Maj, Min, Rev]),
+    error_logger:warning_msg("Unsupported protocol version: ~b ~b.~b.~b~n",
+                             [Protocol, Maj, Min, Rev]),
     {stop, normal, State}.
 
 open_sent(#'v1_0.open'{max_frame_size = MFSz, idle_time_out = Timeout},
@@ -237,7 +237,8 @@ opened(#'v1_0.close'{error = Error}, State = #state{config = Config}) ->
     _ = send_close(State, none),
     {stop, normal, State};
 opened(Frame, State) ->
-    ?DBG("UNEXPECTED CONNECTION FRAME ~p~n", [Frame]),
+    error_logger:warning_msg("Unexpected connection frame ~p when in state ~p ~n",
+                             [Frame, State]),
     {next_state, opened, State}.
 
 close_sent(#'v1_0.close'{}, State) ->
diff --git a/deps/amqp10_client/src/amqp10_client_session.erl b/deps/amqp10_client/src/amqp10_client_session.erl
index 155f29cc7d..0da9b10c8f 100644
--- a/deps/amqp10_client/src/amqp10_client_session.erl
+++ b/deps/amqp10_client/src/amqp10_client_session.erl
@@ -399,7 +399,8 @@ mapped(#'v1_0.disposition'{role = true, settled = true, first = {uint, First},
 
     {next_state, mapped, State#state{unsettled = Unsettled}};
 mapped(Frame, State) ->
-    ?DBG("UNHANDLED FRAME ~p~n", [Frame]),
+    error_logger:warning_msg("Unhandled session frame ~p in state ~p~n",
+                             [Frame, State]),
     {next_state, mapped, State}.
 
 %% mapped/3