diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
index edb0a46..eef01f6 100644
--- a/include/mbedtls/ssl.h
+++ b/include/mbedtls/ssl.h
@@ -939,7 +939,9 @@
 #if !defined(MBEDTLS_SSL_CONF_SINGLE_CIPHERSUITE)
     int ciphersuite;            /*!< chosen ciphersuite */
 #endif /* MBEDTLS_SSL_CONF_SINGLE_CIPHERSUITE */
+#if defined(MBEDTLS_ZLIB_SUPPORT)
     int compression;            /*!< chosen compression */
+#endif /* MBEDTLS_ZLIB_SUPPORT */
     size_t id_len;              /*!< session id length  */
     unsigned char id[32];       /*!< session identifier */
     unsigned char master[48];   /*!< the master secret  */
diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index 9b8e21f..6f77730 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -1780,4 +1780,19 @@
     ssl->pending_fatal_alert_msg = message;
 }
 
+/*
+ * Getter functions for fields in SSL session.
+ */
+
+static inline int mbedtls_ssl_session_get_compression(
+    mbedtls_ssl_session const *session )
+{
+#if defined(MBEDTLS_ZLIB_SUPPORT)
+    return( session->compression );
+#else
+    ( (void) session );
+    return( MBEDTLS_SSL_COMPRESS_NULL );
+#endif
+}
+
 #endif /* ssl_internal.h */