diff --git a/echosrv-conf.c b/echosrv-conf.c
index 26182fd..738a883 100644
--- a/echosrv-conf.c
+++ b/echosrv-conf.c
@@ -1,5 +1,5 @@
 /* Generated by conf2struct (https://www.rutschle.net/tech/conf2struct/README)
- * on Sat May  8 07:03:13 2021. 
+ * on Tue Jun 22 21:28:44 2021. 
 
 # conf2struct: generate libconf parsers that read to structs
 # Copyright (C) 2018-2019  Yves Rutschle
@@ -1137,6 +1137,10 @@ int echocfg_cl_parse(int argc, char* argv[], struct echocfg_item* cfg)
     }
 
     s = config_lookup(&c, "/");
+    if (!s) {
+        fprintf(stderr, "Lookup of root config failed\n");
+        return -1;
+    }
 
     res = read_block(s, cfg, table_echocfg, &errmsg);
     if (!res) {
diff --git a/echosrv-conf.h b/echosrv-conf.h
index d87431c..efda497 100644
--- a/echosrv-conf.h
+++ b/echosrv-conf.h
@@ -1,5 +1,5 @@
 /* Generated by conf2struct (https://www.rutschle.net/tech/conf2struct/README)
- * on Sat May  8 07:03:13 2021. 
+ * on Tue Jun 22 21:28:44 2021. 
 
 # conf2struct: generate libconf parsers that read to structs
 # Copyright (C) 2018-2019  Yves Rutschle
diff --git a/sslh-conf.c b/sslh-conf.c
index 0548db5..5f55656 100644
--- a/sslh-conf.c
+++ b/sslh-conf.c
@@ -1,5 +1,5 @@
 /* Generated by conf2struct (https://www.rutschle.net/tech/conf2struct/README)
- * on Tue Mar 16 20:23:24 2021. 
+ * on Tue Jun 22 21:28:43 2021. 
 
 # conf2struct: generate libconf parsers that read to structs
 # Copyright (C) 2018-2019  Yves Rutschle
@@ -1793,6 +1793,10 @@ int sslhcfg_cl_parse(int argc, char* argv[], struct sslhcfg_item* cfg)
     }
 
     s = config_lookup(&c, "/");
+    if (!s) {
+        fprintf(stderr, "Lookup of root config failed\n");
+        return -1;
+    }
 
     res = read_block(s, cfg, table_sslhcfg, &errmsg);
     if (!res) {
diff --git a/sslh-conf.h b/sslh-conf.h
index 721db63..434eae3 100644
--- a/sslh-conf.h
+++ b/sslh-conf.h
@@ -1,5 +1,5 @@
 /* Generated by conf2struct (https://www.rutschle.net/tech/conf2struct/README)
- * on Tue Mar 16 20:23:24 2021. 
+ * on Tue Jun 22 21:28:43 2021. 
 
 # conf2struct: generate libconf parsers that read to structs
 # Copyright (C) 2018-2019  Yves Rutschle