diff --git a/lib/raid6/unroll.awk b/lib/raid6/unroll.awk
index c6aa03631df86d7837ea56d28d6059799803ef5b..0809805a7e231809387902b825fb2d89e7c43bd0 100644
--- a/lib/raid6/unroll.awk
+++ b/lib/raid6/unroll.awk
@@ -13,7 +13,7 @@ BEGIN {
 	for (i = 0; i < rep; ++i) {
 		tmp = $0
 		gsub(/\$\$/, i, tmp)
-		gsub(/\$\#/, n, tmp)
+		gsub(/\$#/, n, tmp)
 		gsub(/\$\*/, "$", tmp)
 		print tmp
 	}