diff --git a/src/forward.c b/src/forward.c
index 9398353..95213c5 100644
--- a/src/forward.c
+++ b/src/forward.c
@@ -1961,7 +1961,7 @@ static ssize_t tcp_talk(int first, int last, int start, unsigned char *packet,
 	  
 	  if (errno == 0)
 	    data_sent = 1;
-	  else if (errno = ETIMEDOUT || errno == EHOSTUNREACH)
+	  else if (errno == ETIMEDOUT || errno == EHOSTUNREACH)
 	    timedout = 1;
 #endif