diff --git a/qemu/target/arm/kvm-consts.h b/qemu/target/arm/kvm-consts.h
index df9860f2..d49540e6 100644
--- a/qemu/target/arm/kvm-consts.h
+++ b/qemu/target/arm/kvm-consts.h
@@ -22,7 +22,9 @@
 #define MISMATCH_CHECK(X, Y) QEMU_BUILD_BUG_ON(X != Y)
 
 #else
-#define MISMATCH_CHECK(X, Y)
+
+#define MISMATCH_CHECK(X, Y) QEMU_BUILD_BUG_ON(0)
+
 #endif
 
 #define CP_REG_SIZE_SHIFT 52