diff --git a/src/main.c b/src/main.c
index bbf33a3..9505782 100644
--- a/src/main.c
+++ b/src/main.c
@@ -55,12 +55,10 @@ negotiate(unsigned char* buf)
         return 1;
     }
 
-    for (uint_fast8_t i = 0; i < 3; ++i) {
-        if (buf[i] == DO)
-            buf[i] = WONT;
-        else if (buf[i] == WILL)
-            buf[i] = DO;
-    }
+    if (buf[1] == DO)
+        buf[1] = WONT;
+    else if (buf[1] == WILL)
+        buf[1] = DO;
 
     if (send(sock, buf, 3, 0) != 3) {
         perror("ERROR: send");