diff --git a/sim/mips/ChangeLog b/sim/mips/ChangeLog
index dae00e7d34d..2b1a032b080 100644
--- a/sim/mips/ChangeLog
+++ b/sim/mips/ChangeLog
@@ -1,3 +1,8 @@
+2016-11-11  Mike Frysinger  <vapier@gentoo.org>
+
+	* dv-tx3904cpu.c (deliver_tx3904cpu_interrupt): Define CPU to cpu
+	and SD to sd.
+
 2016-11-11  Mike Frysinger  <vapier@gentoo.org>
 
 	* mips.igen (check_u64): Enable for `r3900'.
diff --git a/sim/mips/dv-tx3904cpu.c b/sim/mips/dv-tx3904cpu.c
index da28a49a60c..4a0ec441dcd 100644
--- a/sim/mips/dv-tx3904cpu.c
+++ b/sim/mips/dv-tx3904cpu.c
@@ -143,6 +143,9 @@ deliver_tx3904cpu_interrupt (struct hw *me,
   sim_cpu *cpu = STATE_CPU (sd, 0); /* NB: fix CPU 0. */
   address_word cia = CPU_PC_GET (cpu);
 
+#define CPU cpu
+#define SD sd
+
   if (controller->pending_reset)
     {
       controller->pending_reset = 0;
@@ -187,6 +190,8 @@ deliver_tx3904cpu_interrupt (struct hw *me,
 	    }
 	} /* interrupt set */
     }
+#undef CPU
+#undef SD
 }