diff --git a/internal/common/omci/mib_test.go b/internal/common/omci/mib_test.go
index f569bce..a4ffbb7 100644
--- a/internal/common/omci/mib_test.go
+++ b/internal/common/omci/mib_test.go
@@ -60,7 +60,7 @@
 
 func createTestMibUploadNextArgs(t *testing.T, tid uint16, seqNumber uint16) mibArgs {
 	mibUploadNext, _ := CreateMibUploadNextRequest(tid, seqNumber)
-	mibUploadNext = hexDecode(mibUploadNext)
+	mibUploadNext = HexDecode(mibUploadNext)
 	mibUploadNextMsg, mibUploadNextPkt := omciBytesToMsg(t, mibUploadNext)
 
 	return mibArgs{