X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Ftls-openssl.c;h=42afd3949ec343caa29d5f26e7508114f6b0ddd8;hp=d879f08736e4a19f5a9671978b0048bdefbfe611;hb=26e72755c101f59e24735e9ca9a320d5f1ebc2b7;hpb=61147df48889217a1c1023d8c6e2431c24967686

diff --git a/src/src/tls-openssl.c b/src/src/tls-openssl.c
index d879f0873..42afd3949 100644
--- a/src/src/tls-openssl.c
+++ b/src/src/tls-openssl.c
@@ -1008,7 +1008,7 @@ uschar *expcerts, *expcrl;
 if (!expand_check(certs, US"tls_verify_certificates", &expcerts))
   return DEFER;
 
-if (expcerts != NULL)
+if (expcerts != NULL && *expcerts != '\0')
   {
   struct stat statbuf;
   if (!SSL_CTX_set_default_verify_paths(sctx))