1 files changed, 2 insertions, 2 deletions
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/js/case.lux b/stdlib/source/lux/tool/compiler/phase/generation/js/case.lux
index 9e066b88d..3a5e8f2d3 100644
--- a/stdlib/source/lux/tool/compiler/phase/generation/js/case.lux
+++ b/stdlib/source/lux/tool/compiler/phase/generation/js/case.lux
@@ -125,7 +125,7 @@
 (def: (alternation pre! post!)
   (-> Statement Statement Statement)
   ($_ _.then
-      (_.do-while _.false
+      (_.do-while (_.boolean false)
                   ($_ _.then
                       ..save-cursor!
                       pre!))
@@ -225,7 +225,7 @@
   (do ////.monad
     [pattern-matching! (pattern-matching' generate pathP)]
     (wrap ($_ _.then
-              (_.do-while _.false
+              (_.do-while (_.boolean false)
                           pattern-matching!)
               (_.throw (_.string case.pattern-matching-error))))))