diff --git a/extra/bootstrap/image/upload/upload.factor b/extra/bootstrap/image/upload/upload.factor
index 552e26ebf5..0cdc7ccc26 100755
--- a/extra/bootstrap/image/upload/upload.factor
+++ b/extra/bootstrap/image/upload/upload.factor
@@ -6,16 +6,18 @@ bootstrap.image sequences io namespaces io.launcher math ;
 
 : destination "slava@factorcode.org:www/images/latest/" ;
 
+: checksums "checksums.txt" temp-file ;
+
 : boot-image-names images [ boot-image-name ] map ;
 
 : compute-checksums ( -- )
-    "checksums.txt" [
+    checksums [
         boot-image-names [ dup write bl file>md5str print ] each
     ] with-file-writer ;
 
 : upload-images ( -- )
     [
-        "scp" , boot-image-names % "checksums.txt" , destination ,
+        "scp" , boot-image-names % checksums , destination ,
     ] { } make try-process ;
 
 : new-images ( -- )
diff --git a/extra/bunny/model/model.factor b/extra/bunny/model/model.factor
index 2d731dd830..49a0f9254a 100755
--- a/extra/bunny/model/model.factor
+++ b/extra/bunny/model/model.factor
@@ -39,12 +39,12 @@ IN: bunny.model
         [ normals ] 2keep 3array
     ] time ;
 
-: model-path "bun_zipper.ply" ;
+: model-path "bun_zipper.ply" temp-file ;
 
 : model-url "http://factorcode.org/bun_zipper.ply" ;
 
 : maybe-download ( -- path )
-    model-path resource-path dup exists? [
+    model-path dup exists? [
         "Downloading bunny from " write
         model-url dup print flush
         over download-to