diff --git a/src/sc/sc.hpp b/src/sc/sc.hpp
index 7ef679b6..8ea05ef8 100644
--- a/src/sc/sc.hpp
+++ b/src/sc/sc.hpp
@@ -16,8 +16,8 @@
  */
 namespace sc
 {
-    constexpr uint16_t MAX_NPL_MSG_QUEUE_SIZE = 255;     // Maximum npl message queue size, The size passed is rounded to next number in binary sequence 1(1),11(3),111(7),1111(15),11111(31)....
-    constexpr uint16_t MAX_CONTROL_MSG_QUEUE_SIZE = 255; // Maximum out message queue size, The size passed is rounded to next number in binary sequence 1(1),11(3),111(7),1111(15),11111(31)....
+    constexpr uint16_t MAX_NPL_MSG_QUEUE_SIZE = 1023;     // Maximum npl message queue size, The size passed is rounded to next number in binary sequence 1(1),11(3),111(7),1111(15),11111(31)....
+    constexpr uint16_t MAX_CONTROL_MSG_QUEUE_SIZE = 1023; // Maximum out message queue size, The size passed is rounded to next number in binary sequence 1(1),11(3),111(7),1111(15),11111(31)....
 
     struct fd_pair
     {
@@ -216,4 +216,4 @@ namespace sc
 
 } // namespace sc
 
-#endif
\ No newline at end of file
+#endif