diff --git a/src/gfxinit.cpp b/src/gfxinit.cpp
--- a/src/gfxinit.cpp
+++ b/src/gfxinit.cpp
@@ -230,6 +230,14 @@ static void LoadSpriteTables()
 
 	LoadNewGRF(SPR_NEWGRFS_BASE, i, 2);
 
+	uint total_extra_graphics = SPR_NEWGRFS_BASE - SPR_OPENTTD_BASE;
+	_missing_extra_graphics = GetSpriteCountForSlot(i, SPR_OPENTTD_BASE, SPR_NEWGRFS_BASE);
+	DEBUG(sprite, 1, "%u extra sprites, %u from baseset, %u from fallback", total_extra_graphics, total_extra_graphics - _missing_extra_graphics, _missing_extra_graphics);
+
+	/* The original baseset extra graphics intentionally make use of the fallback graphics.
+	 * Let's say everything which provides less than 500 sprites misses the rest intentionally. */
+	if (500 + _missing_extra_graphics > total_extra_graphics) _missing_extra_graphics = 0;
+
 	/* Free and remove the top element. */
 	delete extra;
 	delete master;