diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/port_config.ini b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/port_config.ini
index 352926377a5c..541b197f6bb8 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/port_config.ini
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/port_config.ini
@@ -80,7 +80,7 @@ Ethernet158     3,4               Ethernet40/3 40
 Ethernet160     17,18             Ethernet41/1 41
 Ethernet162     19,20             Ethernet41/3 41
 Ethernet164     29,30             Ethernet42/1 42
-Ethernet166     31,32             Ethernet42/1 42
+Ethernet166     31,32             Ethernet42/3 42
 Ethernet168     41,42             Ethernet43/1 43
 Ethernet170     43,44             Ethernet43/3 43
 Ethernet172     33,34             Ethernet44/1 44