diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index d2bb59eded..8d41f783dc 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -492,7 +492,7 @@ typedef struct CPUARMState {
          * the two execution states, and means we do not need to explicitly
          * map these registers when changing states.
          */
-        uint64_t regs[64];
+        uint64_t regs[64] QEMU_ALIGNED(16);
 
         uint32_t xregs[16];
         /* We store these fpcsr fields separately for convenience.  */