diff --git a/open-vm-tools/lib/asyncsocket/asyncsocket.c b/open-vm-tools/lib/asyncsocket/asyncsocket.c
index 05147d2..05cb066 100644
--- a/lib/asyncsocket/asyncsocket.c
+++ b/lib/asyncsocket/asyncsocket.c
@@ -2810,7 +2810,7 @@ AsyncTCPSocketPeek(AsyncSocket *base,   // IN:
 
 static int
 AsyncTCPSocketPollWork(AsyncTCPSocket **asock,     // IN:
-                       int numSock,                // IN:
+                       size_t numSock,             // IN:
                        void *p,                    // IN:
                        Bool read,                  // IN:
                        int timeoutMS,              // IN:
@@ -2830,7 +2830,7 @@ AsyncTCPSocketPollWork(AsyncTCPSocket **asock,     // IN:
    struct fd_set rwfds;
    struct fd_set exceptfds;
 #endif
-   int i;
+   size_t i;
    int retval;
 
    ASSERT(outAsock != NULL && *outAsock == NULL && asock != NULL &&