diff --git a/equi.c b/equi.c
index a936e62..8cd69fa 100644
--- a/equi.c
+++ b/equi.c
@@ -13,6 +13,7 @@
 
 #ifdef __TINYC__
 #include <tcclib.h>
+#define stderr 2
 #else
 #include <stdlib.h>
 #include <stdio.h>
@@ -302,7 +303,7 @@ void equi_main_loop() {
 
 int main(int argc, char* argv[]) {
   /* _attempt_ to disable buffering for char input/output */
-#ifndef __CC65__
+#if !defined __CC65__ && !defined __TINYC__
   setvbuf(stdin, NULL, _IONBF, 0);
   setvbuf(stdout, NULL, _IONBF, 0);
 #endif