diff --git a/src/libcore/rt/context.rs b/src/libcore/rt/context.rs
index 1a5d99c3404a67c9113a3a0f32359282345029d3..224f28a0329f82392846b1d54b048bef4b18ede0 100644
--- a/src/libcore/rt/context.rs
+++ b/src/libcore/rt/context.rs
@@ -160,7 +160,7 @@ fn initialize_call_frame(regs: &mut Registers, fptr: *c_void, arg: *c_void, sp:
 type Registers = [uint, ..32];
 
 #[cfg(target_arch = "arm")]
-fn new_regs() -> ~Registers { ~[0, .. 32] }
+fn new_regs() -> ~Registers { ~([0, .. 32]) }
 
 #[cfg(target_arch = "arm")]
 fn initialize_call_frame(regs: &mut Registers, fptr: *c_void, arg: *c_void, sp: *mut uint) {
@@ -178,7 +178,7 @@ fn initialize_call_frame(regs: &mut Registers, fptr: *c_void, arg: *c_void, sp:
 type Registers = [uint, ..32];
 
 #[cfg(target_arch = "mips")]
-fn new_regs() -> ~Registers { ~[0, .. 32] }
+fn new_regs() -> ~Registers { ~([0, .. 32]) }
 
 #[cfg(target_arch = "mips")]
 fn initialize_call_frame(regs: &mut Registers, fptr: *c_void, arg: *c_void, sp: *mut uint) {