diff --git a/configure b/configure
index 44028f6f9a5..a2a334d9996 100755
--- a/configure
+++ b/configure
@@ -73,7 +73,7 @@ putvar() {
     else
         printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
     fi
-    printf "%-20s := %s\n" $1 "$T" >>${CFG_SRC_DIR}config.tmp
+    printf "%-20s ?= %s\n" $1 "$T" >>${CFG_SRC_DIR}config.tmp
 }
 
 probe() {
diff --git a/src/servo/dom/window.rs b/src/servo/dom/window.rs
index 08d02fca1fb..35778c854b7 100644
--- a/src/servo/dom/window.rs
+++ b/src/servo/dom/window.rs
@@ -64,7 +64,7 @@ impl Window {
 }
 
 fn Window(content_port: Port<ControlMsg>) -> Window {
-    let content_chan = Chan(content_port);
+    let content_chan = Chan(&content_port);
         
     Window {
         timer_chan: do task::spawn_listener |timer_port: Port<TimerControlMsg>| {
diff --git a/src/servo/html/hubbub_html_parser.rs b/src/servo/html/hubbub_html_parser.rs
index 08411a3622b..65b4f832be1 100644
--- a/src/servo/html/hubbub_html_parser.rs
+++ b/src/servo/html/hubbub_html_parser.rs
@@ -55,7 +55,7 @@ fn css_link_listener(to_parent : comm::Chan<Stylesheet>, from_parent : comm::Por
         match from_parent.recv() {
           CSSTaskNewFile(url) => {
             let result_port = comm::Port();
-            let result_chan = comm::Chan(result_port);
+            let result_chan = comm::Chan(&result_port);
             // TODO: change copy to move once we have match move
             let url = copy url;
             task::spawn(|| {
@@ -86,7 +86,7 @@ fn js_script_listener(to_parent : comm::Chan<~[~[u8]]>, from_parent : comm::Port
         match from_parent.recv() {
           JSTaskNewFile(url) => {
             let result_port = comm::Port();
-            let result_chan = comm::Chan(result_port);
+            let result_chan = comm::Chan(&result_port);
             // TODO: change copy to move once we have match move
             let url = copy url;
             do task::spawn || {