diff --git a/src/ssl_ckch.c b/src/ssl_ckch.c
index ae206447c..ecf69f067 100644
--- a/src/ssl_ckch.c
+++ b/src/ssl_ckch.c
@@ -633,8 +633,8 @@ int ssl_sock_load_pem_into_ckch(const char *path, char *buf, struct cert_key_and
 
 	ret = ERR_get_error();
 	if (ret && (ERR_GET_LIB(ret) != ERR_LIB_PEM && ERR_GET_REASON(ret) != PEM_R_NO_START_LINE)) {
-		memprintf(err, "%sunable to load certificate chain from file '%s'.\n",
-		          err && *err ? *err : "", path);
+		memprintf(err, "%sunable to load certificate chain from file '%s': %s\n",
+		          err && *err ? *err : "", path, ERR_reason_error_string(ret));
 		goto end;
 	}