diff --git a/src/lib/lib_490b0.c b/src/lib/lib_490b0.c
index 3c07e1aa9..2ef6ea01e 100644
--- a/src/lib/lib_490b0.c
+++ b/src/lib/lib_490b0.c
@@ -35,17 +35,10 @@ glabel func000490b0
 /*    490fc:	00000000 */ 	nop
 );
 
-GLOBAL_ASM(
-glabel osSpTaskYield
-/*    49100:	27bdffe8 */ 	addiu	$sp,$sp,-24
-/*    49104:	afbf0014 */ 	sw	$ra,0x14($sp)
-/*    49108:	0c012d40 */ 	jal	__osSpSetStatus
-/*    4910c:	24040400 */ 	addiu	$a0,$zero,0x400
-/*    49110:	8fbf0014 */ 	lw	$ra,0x14($sp)
-/*    49114:	27bd0018 */ 	addiu	$sp,$sp,0x18
-/*    49118:	03e00008 */ 	jr	$ra
-/*    4911c:	00000000 */ 	nop
-);
+void osSpTaskYield(void)
+{
+	__osSpSetStatus(SP_SET_YIELD);
+}
 
 GLOBAL_ASM(
 glabel func00049120
@@ -85,4 +78,4 @@ glabel func00049120
 /*    491a4:	00000000 */ 	nop
 /*    491a8:	00000000 */ 	nop
 /*    491ac:	00000000 */ 	nop
-);
\ No newline at end of file
+);