diff --git a/collects/drscheme/drscheme.ss b/collects/drscheme/drscheme.ss
index 71b252cb54..2c40d286bd 100644
--- a/collects/drscheme/drscheme.ss
+++ b/collects/drscheme/drscheme.ss
@@ -14,7 +14,8 @@
     (let-values ([(zo-compile
                    make-compilation-manager-load/use-compiled-handler
                    manager-trace-handler)
-                  (parameterize ([current-namespace (make-namespace)])
+                  (parameterize ([current-namespace (make-namespace)]
+                                 [use-compiled-file-paths '()])
                     (values
                      (dynamic-require '(lib "zo-compile.ss" "errortrace") 'zo-compile)
                      (dynamic-require '(lib "cm.ss") 'make-compilation-manager-load/use-compiled-handler)
diff --git a/collects/drscheme/private/language-configuration.ss b/collects/drscheme/private/language-configuration.ss
index e39d504f21..dca0228e84 100644
--- a/collects/drscheme/private/language-configuration.ss
+++ b/collects/drscheme/private/language-configuration.ss
@@ -735,7 +735,7 @@
                                    (λ (x y)
                                      (details-callback))))
           
-          (define revert-to-defaults-outer-panel (make-object horizontal-pane% show-details-parent))
+          (define revert-to-defaults-outer-panel (make-object horizontal-panel% show-details-parent))
           (define revert-to-defaults-button (make-object button% 
                                               (string-constant revert-to-language-defaults)
                                               revert-to-defaults-outer-panel