diff --git a/neslib.sinc b/neslib.sinc
index d37680e..77c17d7 100644
--- a/neslib.sinc
+++ b/neslib.sinc
@@ -562,6 +562,9 @@ _vram_unrle:
 
 	cmp <RLE_TAG
 	beq @2
+
+@is_literal:
+
 	sta PPU_DATA
 	sta <RLE_BYTE
 	bne @1
@@ -576,6 +579,13 @@ _vram_unrle:
 
 @21:
 
+	cmp#$01
+	bcs @is_run
+	lda <_RLE_TAG
+	bcc @is_literal
+
+@is_run:
+
 	tax
 	lda <RLE_BYTE