diff --git a/lib/hyperscript/runtime.sx b/lib/hyperscript/runtime.sx
index 02499c5a..fca57e9a 100644
--- a/lib/hyperscript/runtime.sx
+++ b/lib/hyperscript/runtime.sx
@@ -287,8 +287,8 @@
       ((= type-name "Float") (+ value 0))
       ((= type-name "Number") (+ value 0))
       ((= type-name "String") (str value))
-      ((= type-name "Bool") (if value true false))
-      ((= type-name "Boolean") (if value true false))
+      ((= type-name "Bool") (not (hs-falsy? value)))
+      ((= type-name "Boolean") (not (hs-falsy? value)))
       ((= type-name "Array") (if (list? value) value (list value)))
       ((= type-name "JSON") (str value))
       ((= type-name "Object") (if (string? value) value value))