diff --git a/src/cowboy_http.erl b/src/cowboy_http.erl
index c9bceed85..6ef8e8fae 100644
--- a/src/cowboy_http.erl
+++ b/src/cowboy_http.erl
@@ -161,7 +161,7 @@ init(Parent, Ref, Socket, Transport, ProxyHeader, Opts) ->
 	Sock0 = Transport:sockname(Socket),
 	Cert1 = case Transport:name() of
 		ssl ->
-			case ssl:peercert(Socket) of
+			case Transport:peercert(Socket) of
 				{error, no_peercert} ->
 					{ok, undefined};
 				Cert0 ->
diff --git a/src/cowboy_http2.erl b/src/cowboy_http2.erl
index ed2623c68..353cfdccd 100644
--- a/src/cowboy_http2.erl
+++ b/src/cowboy_http2.erl
@@ -133,7 +133,7 @@ init(Parent, Ref, Socket, Transport, ProxyHeader, Opts) ->
 	Sock0 = Transport:sockname(Socket),
 	Cert1 = case Transport:name() of
 		ssl ->
-			case ssl:peercert(Socket) of
+			case Transport:peercert(Socket) of
 				{error, no_peercert} ->
 					{ok, undefined};
 				Cert0 ->