diff --git a/engines/scumm/gfxARM.s b/engines/scumm/gfxARM.s
index adcd4bfac51..caefa7175ab 100644
--- a/engines/scumm/gfxARM.s
+++ b/engines/scumm/gfxARM.s
@@ -129,7 +129,7 @@ asmCopy8Col:
 	@ <> = bitdepth
 	LDR	r12,[r13]
 	STR	r14,[r13,#-4]!
-	CMP	r12,#8
+	CMP	r12,#1
 	BNE	copy8Col16
 
 	SUB	r1,r1,#4