diff --git a/sapfor/experts/Sapfor_2017/_src/Utils/SgUtils.cpp b/sapfor/experts/Sapfor_2017/_src/Utils/SgUtils.cpp
index 1be2778..62dc4e0 100644
--- a/sapfor/experts/Sapfor_2017/_src/Utils/SgUtils.cpp
+++ b/sapfor/experts/Sapfor_2017/_src/Utils/SgUtils.cpp
@@ -2918,9 +2918,9 @@ private:
         {
 #ifdef _MSC_VER
             ret = pipe(pipes, 1024 * 1024 * 20, O_BINARY); // 20 MB
-#else
-            fcntl(*pipes, F_SETPIPE_SZ, 1024 * 1024 * 20);
+#else            
             ret = pipe(pipes) == -1;
+            fcntl(*pipes, F_SETPIPE_SZ, 1024 * 1024 * 20);
 #endif
             fd_blocked = (errno == EINTR || errno == EBUSY);
             if (fd_blocked)