Index: kernel/arch/mips32/src/mips32.c
===================================================================
--- kernel/arch/mips32/src/mips32.c	(revision f10edaebe31d7bce0bfacfed6cbed28895b60acf)
+++ kernel/arch/mips32/src/mips32.c	(revision 2f23341b48618ee96e5c98ec8b9f9bdd2fd1b50c)
@@ -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];
 }