diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index f633db723da060d5ed0eb0b81e05aa94f182a6d7..3084a210fcc0062e02d8e0ffabbdcc772a2080cd 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -6495,7 +6495,7 @@ error:
 }
 
 #define NET_MODEL_CHARS \
-    "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ091234567890_-"
+    "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_-"
 
 /* Parse the XML definition for a network interface
  * @param node XML nodeset to parse for net definition