diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 86c2953d4a..5ab4a5cbeb 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -4127,6 +4127,9 @@ void ssl_transform_free( ssl_transform *transform )
     inflateEnd( &transform->ctx_inflate );
 #endif
 
+    cipher_free_ctx( &transform->cipher_ctx_enc );
+    cipher_free_ctx( &transform->cipher_ctx_dec );
+
     md_free_ctx( &transform->md_ctx_enc );
     md_free_ctx( &transform->md_ctx_dec );