diff --git a/basis/compiler/tests/callback-error.factor b/basis/compiler/tests/callback-error.factor
index 9882cc2501..30d05327c3 100644
--- a/basis/compiler/tests/callback-error.factor
+++ b/basis/compiler/tests/callback-error.factor
@@ -1,17 +1,19 @@
-USING: accessors io io.encodings.ascii io.launcher kernel make
-sequences system tools.test ;
+USING: accessors io io.encodings.ascii io.files io.files.temp
+io.launcher kernel make sequences system tools.test ;
 IN: compiler.tests.callback-error
 
-: run-vm-with-script ( string -- lines )
-    [ <process> ] dip
-        [ vm , , ] { } make >>command
+: callback-error-script ( -- path )
+    "callback-error-script" temp-file ;
+
+: run-vm-with-script ( -- lines )
+    <process>
+        [ vm , callback-error-script , ] { } make >>command
         +closed+ >>stdin
         +stdout+ >>stderr
     ascii <process-reader> stream-lines ;
 
-! Callback error from initial thread
-[ t ] [
-    """-e=USING: alien alien.c-types alien.syntax kernel ;
+[ ] [
+    """USING: alien alien.c-types alien.syntax kernel ;
     IN: scratchpad
     
     : callback-death ( -- callback )
@@ -21,13 +23,14 @@ IN: compiler.tests.callback-error
         void { } cdecl alien-indirect ;
     
     callback-death callback-invoke"""
-    run-vm-with-script
-    "\"Error!\"" swap member?
+    callback-error-script ascii set-file-contents
 ] unit-test
 
-! Callback error from another thread
-[ t ] [
-    """-e=USING: alien alien.c-types alien.syntax kernel threads ;
+! Callback error from initial thread
+[ t ] [  run-vm-with-script "\"Error!\"" swap member? ] unit-test
+
+[ ] [
+    """USING: alien alien.c-types alien.syntax kernel threads ;
     IN: scratchpad
     
     : callback-death ( -- callback )
@@ -38,6 +41,8 @@ IN: compiler.tests.callback-error
     
     [ callback-death callback-invoke ] in-thread
     stop"""
-    run-vm-with-script
-    "\"Error!\"" swap member?
+    callback-error-script ascii set-file-contents
 ] unit-test
+
+! Callback error from another thread
+[ t ] [ run-vm-with-script "\"Error!\"" swap member? ] unit-test