diff --git a/server/reducers/faderActions.ts b/server/reducers/faderActions.ts
index 51d6f16f..f0b00d3a 100644
--- a/server/reducers/faderActions.ts
+++ b/server/reducers/faderActions.ts
@@ -10,6 +10,7 @@ export const SET_INPUT_SELECTOR = 'SET_INPUT_SELECTOR'
 export const SET_CHANNEL_LABEL = 'SET_CHANNEL_LABEL'
 export const SET_FADER_FX = 'SET_FADER_FX'
 export const SET_FADER_MONITOR = 'SET_FADER_MONITOR'
+export const SET_ASSIGNED_CHANNEL = 'SET_ASSIGNED_CHANNEL'
 export const TOGGLE_PGM = 'TOGGLE_PGM'
 export const SET_PGM = 'SET_PGM'
 export const TOGGLE_VO = 'TOGGLE_VO'
@@ -272,6 +273,19 @@ export const storeSetAMix = (faderIndex: number, state: boolean) => {
     }
 }
 
+export const storeSetAssignedChannel = (
+    faderIndex: number,
+    channelIndex: number,
+    assigned: boolean
+) => {
+    return {
+        type: SET_ASSIGNED_CHANNEL,
+        faderIndex: faderIndex,
+        channelIndex: channelIndex,
+        assigned: assigned,
+    }
+}
+
 export const storeCapability = (
     faderIndex: number,
     capability: string,
diff --git a/server/reducers/fadersReducer.ts b/server/reducers/fadersReducer.ts
index 45078f91..f830d92f 100644
--- a/server/reducers/fadersReducer.ts
+++ b/server/reducers/fadersReducer.ts
@@ -31,6 +31,7 @@ import {
     SET_AMIX,
     SET_CAPABILITY,
     TOGGLE_ALL_MANUAL,
+    SET_ASSIGNED_CHANNEL,
 } from '../reducers/faderActions'
 
 export interface IFaders {
@@ -298,6 +299,32 @@ export const faders = (
         case SET_AMIX: //channel
             nextState[0].fader[action.faderIndex].amixOn = action.state
             return nextState
+        case SET_ASSIGNED_CHANNEL:
+            if (action.assigned) {
+                let assignedChannels =
+                    nextState[0].fader[action.faderIndex].assignedChannels
+                assignedChannels.push(action.channelIndex)
+                assignedChannels.sort((a: number, b: number) => a)
+                nextState[0].fader[
+                    action.faderIndex
+                ].assignedChannels = assignedChannels
+            } else {
+                let assignedChannels =
+                    nextState[0].fader[action.faderIndex].assignedChannels
+                if (
+                    assignedChannels.find((channel: number, index: number) => {
+                        return channel === action.channelIndex
+                    })
+                ) {
+                    assignedChannels = assignedChannels.filter((channel) => {
+                        return channel !== action.channelIndex
+                    })
+                }
+                nextState[0].fader[
+                    action.faderIndex
+                ].assignedChannels = assignedChannels
+            }
+            return nextState
         case SET_CAPABILITY:
             nextState[0].fader[action.faderIndex].capabilities = {
                 ...nextState[0].fader[action.faderIndex].capabilities,