diff --git a/collects/tests/run-automated-tests.ss b/collects/tests/run-automated-tests.ss
index bacba4089a..f5b8a1e95e 100755
--- a/collects/tests/run-automated-tests.ss
+++ b/collects/tests/run-automated-tests.ss
@@ -32,7 +32,7 @@
 ;;   ignored, and should only be used by the mzscheme tests.)
 (define tests
   '([no-handler load "mzscheme/quiet.ss" (lib "scheme/init")]
-    ;; [require "typed-scheme/run.ss"]
+    [require "typed-scheme/run.ss"]
     [require "match/plt-match-tests.ss"]
     ;; [require "stepper/automatic-tests.ss" (lib "scheme/base")]
     [require "lazy/main.ss"]
diff --git a/collects/tests/typed-scheme/run.ss b/collects/tests/typed-scheme/run.ss
index d892dd3466..af3dda3bc7 100644
--- a/collects/tests/typed-scheme/run.ss
+++ b/collects/tests/typed-scheme/run.ss
@@ -2,5 +2,6 @@
 
 (require "main.ss")
 (current-namespace (make-base-namespace))
-(unless (= 0 (go/text))
+(unless (= 0 (parameterize ([error-display-handler void])
+               (go/text)))
   (error "Typed Scheme Tests did not pass."))