diff --git a/util/udma_barrier.h b/util/udma_barrier.h
index 0a1f8a45b..3793d2f18 100644
--- a/util/udma_barrier.h
+++ b/util/udma_barrier.h
@@ -101,7 +101,7 @@
 #elif defined(__riscv)
 #define udma_to_device_barrier() asm volatile("fence ow,ow" ::: "memory")
 #elif defined(__mips__)
-#define udma_to_device_barrier() asm volatile("sync 0" ::: "memory")
+#define udma_to_device_barrier() asm volatile("sync" ::: "memory")
 #else
 #error No architecture specific memory barrier defines found!
 #endif
@@ -139,7 +139,7 @@
 #elif defined(__riscv)
 #define udma_from_device_barrier() asm volatile("fence ir,ir" ::: "memory")
 #elif defined(__mips__)
-#define udma_from_device_barrier() asm volatile("sync 0" ::: "memory")
+#define udma_from_device_barrier() asm volatile("sync" ::: "memory")
 #else
 #error No architecture specific memory barrier defines found!
 #endif
@@ -212,7 +212,7 @@
 #include "s390_mmio_insn.h"
 #define mmio_flush_writes() s390_pciwb()
 #elif defined(__mips__)
-#define mmio_flush_writes() asm volatile("sync 0" ::: "memory")
+#define mmio_flush_writes() asm volatile("sync" ::: "memory")
 #else
 #error No architecture specific memory barrier defines found!
 #endif