diff --git a/extra/builder/builder.factor b/extra/builder/builder.factor
index 1e1cc2778f..00e39be2ba 100644
--- a/extra/builder/builder.factor
+++ b/extra/builder/builder.factor
@@ -59,6 +59,7 @@ VAR: stamp
 : bootstrap ( -- desc )
   <process*>
     bootstrap-cmd >>arguments
+    +closed+      >>stdin
     "../boot-log" >>stdout
     +stdout+      >>stderr
     20 minutes>ms >>timeout
@@ -89,24 +90,8 @@ VAR: stamp
 
     [ my-arch download-image ] [ "Image download error" print throw ] recover
 
-    ! bootstrap [ "Bootstrap error" print "../boot-log" cat ] run-or-bail
+    bootstrap [ "Bootstrap error" print "../boot-log" cat ] run-or-bail
 
-!     bootstrap
-!       <process-stream> dup dispose process-stream-process wait-for-process
-!     zero? not
-!       [ "Bootstrap error" print "../boot-log" cat "bootstrap error" throw ]
-!     when
-
-    [
-      bootstrap
-        <process-stream> dup dispose process-stream-process wait-for-process
-      zero? not
-        [ "bootstrap non-zero" throw ]
-      when
-    ]
-    [ "Bootstrap error" print "../boot-log" cat "bootstrap" throw ]
-    recover
-        
     [ builder-test try-process ]
     [ "Builder test error" print throw ]
     recover
diff --git a/extra/builder/util/util.factor b/extra/builder/util/util.factor
index 9917cbd759..b3b88874b0 100644
--- a/extra/builder/util/util.factor
+++ b/extra/builder/util/util.factor
@@ -39,13 +39,14 @@ DEFER: to-strings
 
 ! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
 
-TUPLE: process* arguments stdout stderr timeout ;
+TUPLE: process* arguments stdin stdout stderr timeout ;
 
 : <process*> process* construct-empty ;
 
 : >desc ( process* -- desc )
   H{ } clone
     over arguments>> [ +arguments+ swap put-at ] when*
+    over stdin>>     [ +stdin+     swap put-at ] when*
     over stdout>>    [ +stdout+    swap put-at ] when*
     over stderr>>    [ +stderr+    swap put-at ] when*
     over timeout>>   [ +timeout+   swap put-at ] when*
@@ -73,8 +74,8 @@ TUPLE: process* arguments stdout stderr timeout ;
 : cat ( file -- ) <file-reader> contents print ;
 
 : run-or-bail ( desc quot -- )
-  [ [ try-process ] curry ]
-  [ [ throw       ] curry ]
+  [ [ try-process ] curry   ]
+  [ [ throw       ] compose ]
   bi*
   recover ;