diff --git a/include/rexy/mpmc_queue.hpp b/include/rexy/mpmc_queue.hpp
index a7d3464..8df0c75 100644
--- a/include/rexy/mpmc_queue.hpp
+++ b/include/rexy/mpmc_queue.hpp
@@ -48,8 +48,14 @@ namespace rexy{
 		using const_reference = const value_type&;
 
 	private:
-	#ifdef __cpp_lib_hardware_interference_size
-		static constexpr size_t cacheline_size = std::hardware_destructive_interference_size;
+	#if defined(__cpp_lib_hardware_interference_size)
+		//libc++ bug
+		// https://bugs.llvm.org/show_bug.cgi?id=41423
+		#if defined(_LIBCPP_VERSION) && _LIBCPP_VERSION >= 11000
+			static constexpr size_t cacheline_size = std::hardware_destructive_interference_size;
+		#else
+			static constexpr size_t cacheline_size = 64;
+		#endif
 	#else
 		//Best guess
 		static constexpr size_t cacheline_size = 64;