diff --git a/src/inet/InetInterface.cpp b/src/inet/InetInterface.cpp
index ad186aec1dbf6a..af89de8cb96822 100644
--- a/src/inet/InetInterface.cpp
+++ b/src/inet/InetInterface.cpp
@@ -505,7 +505,7 @@ int GetIOCTLSocket()
 #endif
         {
             s = socket(AF_INET, SOCK_STREAM, 0);
-            fcntl(s, O_CLOEXEC);
+            fcntl(s, F_SETFD, O_CLOEXEC);
         }
 
         if (!__sync_bool_compare_and_swap(&sIOCTLSocket, -1, s))