diff --git a/programs/helloTerminal.c b/programs/helloTerminal.c
index 3dfaaa3..6c930f8 100644
--- a/programs/helloTerminal.c
+++ b/programs/helloTerminal.c
@@ -4,6 +4,7 @@
   license: CC0 1.0
 */
 
+#include <stdio.h>
 #include <unistd.h>  // for usleep
 
 // we need to define screen resolution before including the library:
@@ -102,6 +103,8 @@ int main()
   {
     clearScreen();
 
+    S3L_newFrame();        // has to be called before each frame
+
     S3L_drawScene(scene);  /* This starts the scene rendering. The drawPixel
                               function will be called to draw it. */
     drawScreen();