diff --git a/internal/pkg/util/envutils/envutils.go b/internal/pkg/util/envutils/envutils.go
index 392e9b8..ba70d5e 100644
--- a/internal/pkg/util/envutils/envutils.go
+++ b/internal/pkg/util/envutils/envutils.go
@@ -81,6 +81,7 @@
 	MemProfile                = "MEM_PROFILE"
 	VendorID                  = "VENDOR_ID"
 	DeviceSyncDuration        = "DEVICE_SYNC_DURATION"
+	MaxFlowRetryDuration      = "MAX_FLOW_RETRY_DURATION"
 	// openonu environment variables
 
 	OmciPacketCapture = "SAVE_OMCI_PACKET_CAPTURE"