--- a/src/CopyQueue.cpp
+++ b/src/CopyQueue.cpp
@@ -275,7 +275,7 @@ void CopyQueue::showProgressLoop()
 
         if (bytes >= tebibyte)
         {
-            final = double(__float128(bytes) / __float128(tebibyte));
+            final = double((long double)bytes / (long double)tebibyte);
             unit = "TiB";
         }
         else if (bytes >= gibibyte)