diff --git a/lib/core-net/wsi.c b/lib/core-net/wsi.c
index 85f5b6c7b..bcd2ea498 100644
--- a/lib/core-net/wsi.c
+++ b/lib/core-net/wsi.c
@@ -1219,21 +1219,6 @@ lws_mux_mark_immortal(struct lws *wsi)
 		lws_set_timeout(nwsi, NO_PENDING_TIMEOUT, 0);
 }
 
-int
-lws_tls_session_is_reused(struct lws *wsi)
-{
-#if defined(LWS_WITH_CLIENT)
-	struct lws *nwsi = lws_get_network_wsi(wsi);
-
-	if (!nwsi)
-		return 0;
-
-	return nwsi->tls_session_reused;
-#else
-	return 0;
-#endif
-}
-
 int
 lws_http_mark_sse(struct lws *wsi)
 {
diff --git a/lib/tls/mbedtls/mbedtls-session.c b/lib/tls/mbedtls/mbedtls-session.c
index 1450e34f5..d3b47b24a 100644
--- a/lib/tls/mbedtls/mbedtls-session.c
+++ b/lib/tls/mbedtls/mbedtls-session.c
@@ -110,6 +110,21 @@ bail:
 	lws_context_unlock(wsi->a.context); /* } cx --------------  */
 }
 
+int
+lws_tls_session_is_reused(struct lws *wsi)
+{
+#if defined(LWS_WITH_CLIENT)
+	struct lws *nwsi = lws_get_network_wsi(wsi);
+
+	if (!nwsi)
+		return 0;
+
+	return nwsi->tls_session_reused;
+#else
+	return 0;
+#endif
+}
+
 static int
 lws_tls_session_destroy_dll(struct lws_dll2 *d, void *user)
 {
diff --git a/lib/tls/openssl/openssl-session.c b/lib/tls/openssl/openssl-session.c
index 6c24e1fa0..d6737f0de 100644
--- a/lib/tls/openssl/openssl-session.c
+++ b/lib/tls/openssl/openssl-session.c
@@ -105,6 +105,21 @@ bail:
 	lws_context_unlock(wsi->a.context); /* } cx --------------  */
 }
 
+int
+lws_tls_session_is_reused(struct lws *wsi)
+{
+#if defined(LWS_WITH_CLIENT)
+	struct lws *nwsi = lws_get_network_wsi(wsi);
+
+	if (!nwsi || !nwsi->tls.ssl)
+		return 0;
+
+       return (int)SSL_session_reused(nwsi->tls.ssl);
+#else
+       return 0;
+#endif
+}
+
 static int
 lws_tls_session_destroy_dll(struct lws_dll2 *d, void *user)
 {