diff --git a/card.tal b/card-sprites.tal
similarity index 100%
rename from card.tal
rename to card-sprites.tal
diff --git a/deck.tal b/deck.tal
index f8c859f..0dfe9a3 100644
--- a/deck.tal
+++ b/deck.tal
@@ -539,7 +539,7 @@
 @blank  0000 0000 0000 0000
 
 ( each tile is 16 bytes: a 2-bit 8x8 image )
-@tiles ~card.tal
+@tiles ~card-sprites.tal
 
 ( each mask tile is 8 bytes: a 1-bit 8x8 image )
-@masks ~mask.tal
+@masks ~mask-sprites.tal
diff --git a/mask.tal b/mask-sprites.tal
similarity index 100%
rename from mask.tal
rename to mask-sprites.tal