diff --git a/cmd/hack/hack.go b/cmd/hack/hack.go
index 13575e0befea5f65c0c15a8478ae602cde565929..15a9c90a9431de78e90c483d8fa49e2cb7f29722 100644
--- a/cmd/hack/hack.go
+++ b/cmd/hack/hack.go
@@ -1492,7 +1492,7 @@ func processSuperstring(superstringCh chan []byte, dictCollector *etl.Collector,
 		}
 		//log.Info("Kasai algorithm finished")
 		// Checking LCP array
-		/*
+		if ASSERT {
 			for i := 0; i < n-1; i++ {
 				var prefixLen int
 				p1 := int(filtered[i])
@@ -1513,7 +1513,7 @@ func processSuperstring(superstringCh chan []byte, dictCollector *etl.Collector,
 				}
 				fmt.Printf("%d %d %s\n", filtered[i], lcp[i], dictKey)
 			}
-		*/
+		}
 		//log.Info("LCP array checked")
 		// Walk over LCP array and compute the scores of the strings
 		b := inv
diff --git a/go.mod b/go.mod
index ee31c4aeb505407ecf133b0a43e01cd424d99b17..03805225612b6856ec3dbdfe37635c511baa61ee 100644
--- a/go.mod
+++ b/go.mod
@@ -36,7 +36,7 @@ require (
 	github.com/json-iterator/go v1.1.12
 	github.com/julienschmidt/httprouter v1.3.0
 	github.com/kevinburke/go-bindata v3.21.0+incompatible
-	github.com/ledgerwatch/erigon-lib v0.0.0-20211107024620-98f80aa89ffd
+	github.com/ledgerwatch/erigon-lib v0.0.0-20211108033615-b426ff2271f0
 	github.com/ledgerwatch/log/v3 v3.4.0
 	github.com/ledgerwatch/secp256k1 v1.0.0
 	github.com/logrusorgru/aurora/v3 v3.0.0
diff --git a/go.sum b/go.sum
index 077b10549b546fbcd48f54f00cd8b9b8123ee17f..a6eaaba0292c935ef1d53a0cf787ab56cad633c5 100644
--- a/go.sum
+++ b/go.sum
@@ -497,8 +497,8 @@ github.com/kylelemons/godebug v0.0.0-20170224010052-a616ab194758 h1:0D5M2HQSGD3P
 github.com/kylelemons/godebug v0.0.0-20170224010052-a616ab194758/go.mod h1:B69LEHPfb2qLo0BaaOLcbitczOKLWTsrBG9LczfCD4k=
 github.com/leanovate/gopter v0.2.9 h1:fQjYxZaynp97ozCzfOyOuAGOU4aU/z37zf/tOujFk7c=
 github.com/leanovate/gopter v0.2.9/go.mod h1:U2L/78B+KVFIx2VmW6onHJQzXtFb+p5y3y2Sh+Jxxv8=
-github.com/ledgerwatch/erigon-lib v0.0.0-20211107024620-98f80aa89ffd h1:F0/S8NSvXijZIdVjFzFFRMaalN6Y3AxLQvQMY1hS4Ik=
-github.com/ledgerwatch/erigon-lib v0.0.0-20211107024620-98f80aa89ffd/go.mod h1:CuEZROm43MykZT5CjCj02jw0FOwaDl8Nh+PZkTEGopg=
+github.com/ledgerwatch/erigon-lib v0.0.0-20211108033615-b426ff2271f0 h1:uCFtgY4IegzfrNvfAwQNIebBk74I9folhLyyB4lSOjY=
+github.com/ledgerwatch/erigon-lib v0.0.0-20211108033615-b426ff2271f0/go.mod h1:CuEZROm43MykZT5CjCj02jw0FOwaDl8Nh+PZkTEGopg=
 github.com/ledgerwatch/log/v3 v3.4.0 h1:SEIOcv5a2zkG3PmoT5jeTU9m/0nEUv0BJS5bzsjwKCI=
 github.com/ledgerwatch/log/v3 v3.4.0/go.mod h1:VXcz6Ssn6XEeU92dCMc39/g1F0OYAjw1Mt+dGP5DjXY=
 github.com/ledgerwatch/secp256k1 v1.0.0 h1:Usvz87YoTG0uePIV8woOof5cQnLXGYa162rFf3YnwaQ=