diff --git a/src/libCom/ezsSockSubr.c b/src/libCom/ezsSockSubr.c
index 03e6a6a0d..660acfd21 100644
--- a/src/libCom/ezsSockSubr.c
+++ b/src/libCom/ezsSockSubr.c
@@ -213,7 +213,7 @@ char	*message;	/* O message from server (dimension of 80 assumed) */
     *pServerSock = socket(AF_INET, SOCK_STREAM, 0);
     if (*pServerSock < 0)
 	return -1;
-    if (setsockopt(*pServerSock, SOL_SOCKET, SO_REUSEADDR, NULL, 0) != 0) {
+    if (setsockopt(*pServerSock, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval)) != 0) {
 	close(*pServerSock);
 	*pServerSock = -1;
 	return -1;