diff --git a/src/modules/module_16500.c b/src/modules/module_16500.c
index f929e1956..d75d8b704 100644
--- a/src/modules/module_16500.c
+++ b/src/modules/module_16500.c
@@ -268,7 +268,7 @@ int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
 
   char ptr_plain[128];
 
-  if (hashconfig->kern_type == KERN_TYPE_JWT_HS256)
+  if (jwt->signature_len == 43)
   {
     u32 tmp[8];
 
@@ -287,7 +287,7 @@ int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
 
     ptr_plain[43] = 0;
   }
-  else if (hashconfig->kern_type == KERN_TYPE_JWT_HS384)
+  else if (jwt->signature_len == 64)
   {
     u64 tmp[6];
 
@@ -304,7 +304,7 @@ int module_hash_encode (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSE
 
     ptr_plain[64] = 0;
   }
-  else if (hashconfig->kern_type == KERN_TYPE_JWT_HS512)
+  else if (jwt->signature_len == 86)
   {
     u64 tmp[8];