diff --git a/src/ttf.zig b/src/ttf.zig
index 86cf83b..4787c79 100644
--- a/src/ttf.zig
+++ b/src/ttf.zig
@@ -36,7 +36,7 @@ pub const Font = struct {
         c.TTF_CloseFont(self.font);
     }
 
-    pub fn renderBlended(self: Font, text: []const u8, color: sdl.Color) !sdl.Surface {
+    pub fn renderBlended(self: Font, text: [:0]const u8, color: sdl.Color) !sdl.Surface {
         var cText = @ptrCast([*c]const u8, text);
         if (c.TTF_RenderUTF8_Blended(self.font, cText, @bitCast(c.SDL_Color, color))) |surface| {
             return sdl.Surface{ .surface = @ptrCast(*sdl.c.SDL_Surface, surface) };