diff --git a/arch/powerpc/kvm/timing.h b/arch/powerpc/kvm/timing.h
index 806ef67868bd8fc3ddd5ef314a35eaa3e8b35039..8167d42a776f08d9e1b5315c7b0a5a338a6ac011 100644
--- a/arch/powerpc/kvm/timing.h
+++ b/arch/powerpc/kvm/timing.h
@@ -51,7 +51,7 @@ static inline void kvmppc_account_exit_stat(struct kvm_vcpu *vcpu, int type)
 
 	/* The BUILD_BUG_ON below breaks in funny ways, commented out
 	 * for now ... -BenH
-	BUILD_BUG_ON(__builtin_constant_p(type));
+	BUILD_BUG_ON(!__builtin_constant_p(type));
 	*/
 	switch (type) {
 	case EXT_INTR_EXITS: