From 383770515e16cf18061c9ddc30d1338b673044d7 Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Mon, 10 Apr 2023 23:13:36 -0400
Subject: [PATCH] Avoid null dereference.

---
 Components/9918/Implementation/9918.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Components/9918/Implementation/9918.cpp b/Components/9918/Implementation/9918.cpp
index ba8c6fbb6..2d4562142 100644
--- a/Components/9918/Implementation/9918.cpp
+++ b/Components/9918/Implementation/9918.cpp
@@ -347,7 +347,7 @@ void TMS9918<personality>::run_for(const HalfCycles cycles) {
 				}
 
 				this->advance(this->fetch_line_buffer_);
-				if(this->fetched_sprites_->active_sprite_slot) {
+				if(this->fetched_sprites_ && this->fetched_sprites_->active_sprite_slot) {
 					this->fetch_line_buffer_->sprites = this->fetched_sprites_;
 					this->fetched_sprites_ = nullptr;
 				} else {