diff --git a/configurations/1Ux16 Riser.json b/configurations/1Ux16 Riser.json
index 533985e..1669436 100644
--- a/configurations/1Ux16 Riser.json
+++ b/configurations/1Ux16 Riser.json
@@ -37,7 +37,7 @@
                 "address": "0x72",
                 "bus": "$bus",
                 "name": "Riser 1 Mux",
-                "type": "SMBusMux"
+                "type": "PCA9543Mux"
             },
             {
                 "address": "$address",
@@ -87,7 +87,7 @@
                 "address": "0x73",
                 "bus": "$bus",
                 "name": "Riser 2 Mux",
-                "type": "SMBusMux"
+                "type": "PCA9543Mux"
             },
             {
                 "address": "$address",
diff --git a/configurations/2Ux8 Riser.json b/configurations/2Ux8 Riser.json
index 8485c6b..572c10f 100644
--- a/configurations/2Ux8 Riser.json
+++ b/configurations/2Ux8 Riser.json
@@ -37,7 +37,7 @@
                 "address": "0x72",
                 "bus": "$bus",
                 "name": "Riser 1 Mux",
-                "type": "SMBusMux"
+                "type": "PCA9545Mux"
             },
             {
                 "address": "$address",
@@ -87,7 +87,7 @@
                 "address": "0x73",
                 "bus": "$bus",
                 "name": "Riser 2 Mux",
-                "type": "SMBusMux"
+                "type": "PCA9545Mux"
             },
             {
                 "address": "$address",