diff -r 23608c2e1de9 -r f4e770298165 libidav/session.c
--- a/libidav/session.c	Tue Mar 26 18:02:40 2019 +0100
+++ b/libidav/session.c	Thu May 30 12:45:38 2019 +0200
@@ -232,7 +232,9 @@
             case CURLE_SSL_ENGINE_SETFAILED:
             case CURLE_SSL_CERTPROBLEM:
             case CURLE_SSL_CIPHER:
+#ifndef CURLE_SSL_CACERT
             case CURLE_SSL_CACERT:
+#endif
             case CURLE_SSL_CACERT_BADFILE:
             case CURLE_SSL_SHUTDOWN_FAILED:
             case CURLE_SSL_CRL_BADFILE: