diff --git a/src/modules/module_20711.c b/src/modules/module_20711.c
index 2cf90e042..51308e59d 100644
--- a/src/modules/module_20711.c
+++ b/src/modules/module_20711.c
@@ -82,7 +82,7 @@ int module_hash_decode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
   token.len_min[1] = 16;
   token.len_max[1] = 16;
   token.attr[1]    = TOKEN_ATTR_VERIFY_LENGTH
-                   | TOKEN_ATTR_VERIFY_DIGIT;
+                   | TOKEN_ATTR_VERIFY_HEX;
 
   token.sep[2]     = '$';
   token.len_min[2] = 64;