diff --git a/src/uifc/uifcx.c b/src/uifc/uifcx.c
index 51fafb69001a6aac2141cf1edb0cc19a5fe700d9..576d04fa5face031e365ce7758a5d7e55d6fb7aa 100644
--- a/src/uifc/uifcx.c
+++ b/src/uifc/uifcx.c
@@ -76,6 +76,7 @@ int uifcinix(uifcapi_t* uifcapi)
     api->input=uinput;
     api->sethelp=sethelp;
 
+    setvbuf(stdin,NULL,_IONBF,0);
     setvbuf(stdout,NULL,_IONBF,0);
     api->scrn_len=24;