diff --git a/compiler/jsgen.nim b/compiler/jsgen.nim
index 4e0d4e28b0..5d97a41d5c 100644
--- a/compiler/jsgen.nim
+++ b/compiler/jsgen.nim
@@ -1650,7 +1650,7 @@ proc genNewSeq(p: PProc, n: PNode) =
 
 proc genOrd(p: PProc, n: PNode, r: var TCompRes) =
   case skipTypes(n.sons[1].typ, abstractVar).kind
-  of tyEnum, tyInt..tyInt64, tyChar: gen(p, n.sons[1], r)
+  of tyEnum, tyInt..tyUInt64, tyChar: gen(p, n.sons[1], r)
   of tyBool: unaryExpr(p, n, r, "", "($1 ? 1:0)")
   else: internalError(n.info, "genOrd")