diff --git a/c_gen/templates/loci_validator.c b/c_gen/templates/loci_validator.c
index 1f98b21..c4e8b5c 100644
--- a/c_gen/templates/loci_validator.c
+++ b/c_gen/templates/loci_validator.c
@@ -199,7 +199,7 @@
         return ${validator_name(proto.class_by_name('of_header'))}(msg, len, &out_len);
 :: #endfor
     default:
-        VALIDATOR_LOG("Bad version %d", OF_VERSION_1_3);
+        VALIDATOR_LOG("Bad version %d", version);
         return -1;
     }
 }