diff --git a/arch/mips/src/mips32/up_syscall0.S b/arch/mips/src/mips32/up_syscall0.S
index b5a0e521321..0a82cd34664 100644
--- a/arch/mips/src/mips32/up_syscall0.S
+++ b/arch/mips/src/mips32/up_syscall0.S
@@ -109,4 +109,5 @@ sys_call3:	/* r4 holds the syscall number, arguments in r5, r6, and r7 */
 	/* Then return with the result of the software interrupt in v0 */
 
 	j		ra
+	nop
 	.end	sys_call0