2 files changed, 2 insertions, 2 deletions
diff --git a/src/libstd/sys/unix/backtrace.rs b/src/libstd/sys/unix/backtrace.rs
index 7164931c55a..70b9c012b00 100644
--- a/src/libstd/sys/unix/backtrace.rs
+++ b/src/libstd/sys/unix/backtrace.rs
@@ -229,7 +229,7 @@ fn print(w: &mut Writer, idx: int, addr: *mut libc::c_void) -> IoResult<()> {
     }
 
     let mut info: Dl_info = unsafe { intrinsics::init() };
-    if unsafe { dladdr(addr as *const libc::c_void, &mut info) == 0 } {
+    if unsafe { dladdr(addr, &mut info) == 0 } {
         output(w, idx,addr, None)
     } else {
         output(w, idx, addr, Some(unsafe {
diff --git a/src/libstd/sys/windows/os.rs b/src/libstd/sys/windows/os.rs
index 4540068133b..e9490dc95c9 100644
--- a/src/libstd/sys/windows/os.rs
+++ b/src/libstd/sys/windows/os.rs
@@ -281,7 +281,7 @@ pub fn join_paths<T: BytesContainer>(paths: &[T]) -> Result<Vec<u8>, &'static st
 pub fn load_self() -> Option<Vec<u8>> {
     unsafe {
         fill_utf16_buf_and_decode(|buf, sz| {
-            libc::GetModuleFileNameW(0u as libc::DWORD, buf, sz)
+            libc::GetModuleFileNameW(ptr::null_mut(), buf, sz)
         }).map(|s| s.to_string().into_bytes())
     }
 }