1 files changed, 3 insertions, 1 deletions

diff --git a/miscutils/chat.c b/miscutils/chat.c
index bd2abc24a..6b429f2a6 100644
--- a/miscutils/chat.c
+++ b/miscutils/chat.c
@@ -17,6 +17,7 @@
 //usage:       "chat '' ATZ OK ATD123456 CONNECT '' ogin: pppuser word: ppppass '~'"
 
 #include "libbb.h"
+#include "common_bufsiz.h"
 
 // default timeout: 45 sec
 #define DEFAULT_CHAT_TIMEOUT 45*1000
@@ -285,9 +286,10 @@ int chat_main(int argc UNUSED_PARAM, char **argv)
                             && poll(&pfd, 1, timeout) > 0
                             && (pfd.revents & POLLIN)
                         ) {
-#define buf bb_common_bufsiz1
                                 llist_t *l;
                                 ssize_t delta;
+#define buf bb_common_bufsiz1
+                                setup_common_bufsiz();
 
                                 // read next char from device
                                 if (safe_read(STDIN_FILENO, buf+buf_len, 1) > 0) {