IT WAS A #DEFINE

src/dusk/main.c

@@ -27,10 +27,9 @@ void main(void) {
   while(!renderShouldExit()) {
     RENDER_FRAME++;
     renderDraw();
-    uiTextboxUpdate();
     
     overworldUpdate();
-
+    uiTextboxUpdate();
 
     // Update input for next frame.
     inputUpdate();

src/dusk/ui/uitextbox.h

@@ -28,8 +28,7 @@
   (UI_TEXTBOX_PADDING_Y * 2) \
 )
 
-// #define UI_TEXTBOX_CHARS_PER_LINE UI_TEXTBOX_WIDTH_INNER / FONT_WIDTH
-#define UI_TEXTBOX_CHARS_PER_LINE 20
+#define UI_TEXTBOX_CHARS_PER_LINE (UI_TEXTBOX_WIDTH_INNER / FONT_WIDTH)
 #define UI_TEXTBOX_CHARS_PER_PAGE ( \
   UI_TEXTBOX_CHARS_PER_LINE * UI_TEXTBOX_LINES_PER_PAGE \
 )