diff --git a/sys/dev/sfxge/common/efx_mcdi.c b/sys/dev/sfxge/common/efx_mcdi.c
index 69410b8eb1e..f0f5f379a06 100644
--- a/sys/dev/sfxge/common/efx_mcdi.c
+++ b/sys/dev/sfxge/common/efx_mcdi.c
@@ -646,6 +646,8 @@ efx_mcdi_request_errcode(
 	case MC_CMD_ERR_ENOSPC:
 		return (ENOSPC);
 #endif
+	case MC_CMD_ERR_ERANGE:
+		return (ERANGE);
 
 	case MC_CMD_ERR_ALLOC_FAIL:
 		return (ENOMEM);