diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 94c990c..2cdde6c 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -922,7 +922,7 @@
 uint64_t arm_cpu_mp_affinity(int idx, uint8_t clustersz);
 
 #ifndef CONFIG_USER_ONLY
-extern const struct VMStateDescription vmstate_arm_cpu;
+extern const VMStateDescription vmstate_arm_cpu;
 #endif
 
 void arm_cpu_do_interrupt(CPUState *cpu);