diff --git a/include/bx/simd_t.h b/include/bx/simd_t.h
index 5e5fefa..be38778 100644
--- a/include/bx/simd_t.h
+++ b/include/bx/simd_t.h
@@ -373,6 +373,9 @@ BX_SIMD128_IMPLEMENT_TEST(xyzw);
 	template<typename Ty>
 	Ty simd_not_ni(Ty _a);
 
+	template<typename Ty>
+	Ty simd_cmpneq_ni(Ty _a, Ty _b);
+
 	template<typename Ty>
 	Ty simd_min_ni(Ty _a, Ty _b);