Index: kernel/arch/mips32/src/mips32.c
===================================================================
--- kernel/arch/mips32/src/mips32.c	(revision eff1f033c237dd4f18d79cf25fbd33de6fa9278c)
+++ kernel/arch/mips32/src/mips32.c	(revision 0eff68e2235e2f4737160b4f06cd3e6c1b217a5e)
@@ -220,5 +220,5 @@
 	    cp0_status_um_bit | cp0_status_ie_enabled_bit));
 	cp0_epc_write((uintptr_t) kernel_uarg->uspace_entry);
-	userspace_asm(((uintptr_t) kernel_uarg->uspace_stack + PAGE_SIZE), 
+	userspace_asm(((uintptr_t) kernel_uarg->uspace_stack + STACK_SIZE),
 	    (uintptr_t) kernel_uarg->uspace_uarg,
 	    (uintptr_t) kernel_uarg->uspace_entry);
@@ -235,6 +235,6 @@
 void before_thread_runs_arch(void)
 {
-	supervisor_sp = (uintptr_t) &THREAD->kstack[THREAD_STACK_SIZE -
-	    SP_DELTA];
+	supervisor_sp =
+	    (uintptr_t) &THREAD->kstack[STACK_SIZE - SP_DELTA];
 }