diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/pg_profile_lookup.ini b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/pg_profile_lookup.ini
index cbc06c8180..0e71479fc2 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/pg_profile_lookup.ini
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-C64/pg_profile_lookup.ini
@@ -1,6 +1,6 @@
 # PG lossless profiles.
 # speed cable size    xon  xoff     threshold xon_offset
- 100000  5m   1248    1248 96928     -3        2496
+ 100000  5m   1248    1248 54080     -3        2496
  100000  40m  1248    1248 59696     -3        2496
  100000  300m 1248    1248 101088    -3        2496
   40000  5m   1248    1248 29536     -3        2496