diff --git a/src/test/run-pass/foreign-no-abi.rs b/src/test/run-pass/foreign-no-abi.rs
index 4b9fe43b2d72..8d9e7c50ac64 100644
--- a/src/test/run-pass/foreign-no-abi.rs
+++ b/src/test/run-pass/foreign-no-abi.rs
@@ -1,7 +1,7 @@
 // ABI is cdecl by default
 
 extern mod rustrt {
-    fn get_task_id() -> int;
+    fn get_task_id() -> libc::intptr_t;
 }
 
 fn main() {
diff --git a/src/test/run-pass/issue-1251.rs b/src/test/run-pass/issue-1251.rs
index 76f54100e6ee..ae38bdf4a750 100644
--- a/src/test/run-pass/issue-1251.rs
+++ b/src/test/run-pass/issue-1251.rs
@@ -1,7 +1,7 @@
 #[link(name = "get_task_id")];
 
 extern mod rustrt {
-      fn get_task_id() -> int;
+      fn get_task_id() -> libc::intptr_t;
 }
 
 fn main() { }
diff --git a/src/test/run-pass/item-attributes.rs b/src/test/run-pass/item-attributes.rs
index 5558cc22dd2f..c98a3003177f 100644
--- a/src/test/run-pass/item-attributes.rs
+++ b/src/test/run-pass/item-attributes.rs
@@ -163,7 +163,7 @@ mod test_foreign_items {
         #[attr];
 
         #[attr]
-        fn get_task_id() -> int;
+        fn get_task_id() -> libc::intptr_t;
     }
 }
 
diff --git a/src/test/run-pass/morestack6.rs b/src/test/run-pass/morestack6.rs
index 746c4dabe30d..5750b9d8c87d 100644
--- a/src/test/run-pass/morestack6.rs
+++ b/src/test/run-pass/morestack6.rs
@@ -8,7 +8,7 @@ import std::rand;
 extern mod rustrt {
     fn debug_get_stk_seg() -> *u8;
 
-    fn rust_get_sched_id() -> int;
+    fn rust_get_sched_id() -> libc::intptr_t;
     fn last_os_error() -> ~str;
     fn rust_getcwd() -> ~str;
     fn get_task_id();