diff --git a/library/include/ck/library/utility/check_err.hpp b/library/include/ck/library/utility/check_err.hpp
index 0e7d6df9f8..af6ed10579 100644
--- a/library/include/ck/library/utility/check_err.hpp
+++ b/library/include/ck/library/utility/check_err.hpp
@@ -151,11 +151,16 @@ check_err(const std::vector<T>& out,
 }
 
 template <typename Out, typename Ref>
-std::enable_if_t<(is_signed_integral_v<Out> ||
-                  std::is_same_v<Out, ck::int4_t>)&&is_signed_integral_v<Ref> &&
-                     (sizeof(Out) <= sizeof(Ref) && sizeof(Ref) <= sizeof(int64_t)) &&
-                     !std::is_same_v<Out, bhalf_t>,
-                 bool>
+std::enable_if_t<
+#ifdef CK_EXPERIMENTAL_BIT_INT_EXTENSION_INT4
+    (is_signed_integral_v<Out> || std::is_same_v<Out, ck::int4_t>)&&
+#else
+    is_signed_integral_v<Out> &&
+#endif
+        is_signed_integral_v<Ref> &&
+        (sizeof(Out) <= sizeof(Ref) && sizeof(Ref) <= sizeof(int64_t)) &&
+        !std::is_same_v<Out, bhalf_t>,
+    bool>
 check_err(const std::vector<Out>& out,
           const std::vector<Ref>& ref,
           const std::string& msg = "Error: Incorrect results!",