diff --git a/common/reviews/api/core.api.md b/common/reviews/api/core.api.md
index 1db6938a1d..9fdc419ee4 100644
--- a/common/reviews/api/core.api.md
+++ b/common/reviews/api/core.api.md
@@ -284,6 +284,7 @@ type ColormapModifiedEvent = CustomEvent_2<ColormapModifiedEventDetail>;
 type ColormapModifiedEventDetail = {
     viewportId: string;
     colormap: ColormapPublic;
+    volumeId?: string;
 };
 
 // @public (undocumented)
diff --git a/packages/core/src/RenderingEngine/BaseVolumeViewport.ts b/packages/core/src/RenderingEngine/BaseVolumeViewport.ts
index f443395d01..9366034254 100644
--- a/packages/core/src/RenderingEngine/BaseVolumeViewport.ts
+++ b/packages/core/src/RenderingEngine/BaseVolumeViewport.ts
@@ -287,7 +287,8 @@ abstract class BaseVolumeViewport extends Viewport implements IVolumeViewport {
     if (!suppressEvents) {
       const eventDetail = {
           viewportId: this.id,
-          colormap
+          colormap,
+          volumeId
       };
       triggerEvent(this.element, Events.COLORMAP_MODIFIED, eventDetail);
     }
diff --git a/packages/core/src/types/EventTypes.ts b/packages/core/src/types/EventTypes.ts
index 27b7b259a8..2cc06b4cca 100644
--- a/packages/core/src/types/EventTypes.ts
+++ b/packages/core/src/types/EventTypes.ts
@@ -54,6 +54,8 @@ type ColormapModifiedEventDetail = {
   viewportId: string;
   /** The new colormap */
   colormap: ColormapPublic;
+  /** Unique ID for the volume in the cache */
+  volumeId?: string;
 }
 
 /**
diff --git a/packages/tools/src/utilities/voi/colorbar/ViewportColorbar.ts b/packages/tools/src/utilities/voi/colorbar/ViewportColorbar.ts
index f9470cb9d4..052391a752 100644
--- a/packages/tools/src/utilities/voi/colorbar/ViewportColorbar.ts
+++ b/packages/tools/src/utilities/voi/colorbar/ViewportColorbar.ts
@@ -174,10 +174,10 @@ class ViewportColorbar extends Colorbar {
   private _viewportColormapModifiedCallback = (
     evt: Types.EventTypes.ColormapModifiedEvent
   ) => {
-    const { viewportId, colormap } = evt.detail;
+    const { viewportId, colormap, volumeId  } = evt.detail;
     const { viewport } = this.enabledElement;
 
-    if (viewportId !== viewport.id) {
+    if (viewportId !== viewport.id || volumeId !== this._volumeId) {
       return;
     }