diff --git a/packages/dockview-core/src/dockview/dockviewComponent.ts b/packages/dockview-core/src/dockview/dockviewComponent.ts
index 03ac5496f..dad15a6e2 100644
--- a/packages/dockview-core/src/dockview/dockviewComponent.ts
+++ b/packages/dockview-core/src/dockview/dockviewComponent.ts
@@ -800,7 +800,7 @@ export class DockviewComponent
             group = item;
 
             const popoutReferenceGroupId = this._popoutGroups.find(
-                (_) => _.popoutGroup === group
+                (_) => _.popoutGroup.id === group.id
             )?.referenceGroup;
             const popoutReferenceGroup = popoutReferenceGroupId
                 ? this.getPanel(popoutReferenceGroupId)
@@ -1715,7 +1715,7 @@ export class DockviewComponent
 
         if (group.api.location.type === 'floating') {
             const floatingGroup = this._floatingGroups.find(
-                (_) => _.group === group
+                (_) => _.group.id === group.id
             );
 
             if (floatingGroup) {
@@ -1728,7 +1728,7 @@ export class DockviewComponent
                 remove(this._floatingGroups, floatingGroup);
                 floatingGroup.dispose();
 
-                if (!options?.skipActive && this._activeGroup === group) {
+                if (!options?.skipActive && this._activeGroup?.id === group.id) {
                     const groups = Array.from(this._groups.values());
 
                     this.doSetGroupAndPanelActive(
@@ -1744,7 +1744,7 @@ export class DockviewComponent
 
         if (group.api.location.type === 'popout') {
             const selectedGroup = this._popoutGroups.find(
-                (_) => _.popoutGroup === group
+                (_) => _.popoutGroup.id === group.id
             );
 
             if (selectedGroup) {
@@ -1771,7 +1771,7 @@ export class DockviewComponent
                     this.doSetGroupAndPanelActive(removedGroup);
                 }
 
-                if (!options?.skipActive && this._activeGroup === group) {
+                if (!options?.skipActive && this._activeGroup?.id === group.id) {
                     const groups = Array.from(this._groups.values());
 
                     this.doSetGroupAndPanelActive(