diff --git a/lib/process-services-cloud/src/lib/models/filter-cloud-model.ts b/lib/process-services-cloud/src/lib/models/filter-cloud-model.ts
index 7d78f685f4..88dfa19461 100644
--- a/lib/process-services-cloud/src/lib/models/filter-cloud-model.ts
+++ b/lib/process-services-cloud/src/lib/models/filter-cloud-model.ts
@@ -128,7 +128,7 @@ export class TaskListRequestModel {
     candidateGroupId?: string[];
 
     taskVariableFilters?: TaskListRequestTaskVariableFilter[];
-    variableKeys?: string[];
+    processVariableKeys?: string[];
 
     constructor(obj: Partial<TaskListRequestModel>) {
         if (!obj.appName) {
@@ -161,7 +161,7 @@ export class TaskListRequestModel {
         this.candidateUserId = obj.candidateUserId;
         this.candidateGroupId = obj.candidateGroupId;
         this.taskVariableFilters = obj.taskVariableFilters;
-        this.variableKeys = obj.variableKeys;
+        this.processVariableKeys = obj.processVariableKeys;
     }
 }
 
diff --git a/lib/process-services-cloud/src/lib/process/process-list/components/process-list-cloud.component.spec.ts b/lib/process-services-cloud/src/lib/process/process-list/components/process-list-cloud.component.spec.ts
index dbc9495ff4..05be96706a 100644
--- a/lib/process-services-cloud/src/lib/process/process-list/components/process-list-cloud.component.spec.ts
+++ b/lib/process-services-cloud/src/lib/process/process-list/components/process-list-cloud.component.spec.ts
@@ -543,7 +543,7 @@ describe('ProcessListCloudComponent', () => {
             component.ngAfterContentInit();
             component.reload();
 
-            expect(component.processListRequestNode.variableKeys).not.toBeDefined();
+            expect(component.processListRequestNode.processVariableKeys).not.toBeDefined();
         });
 
         it('should request process variable if column for process variable is displayed', () => {
@@ -568,7 +568,7 @@ describe('ProcessListCloudComponent', () => {
             component.ngAfterContentInit();
             component.reload();
 
-            expect(component.processListRequestNode.variableKeys).toEqual(['processKey/variableName']);
+            expect(component.processListRequestNode.processVariableKeys).toEqual(['processKey/variableName']);
         });
 
         it('should reload tasks when reload() is called', (done) => {
diff --git a/lib/process-services-cloud/src/lib/process/process-list/components/process-list-cloud.component.ts b/lib/process-services-cloud/src/lib/process/process-list/components/process-list-cloud.component.ts
index d72678a6c8..17e80536dd 100644
--- a/lib/process-services-cloud/src/lib/process/process-list/components/process-list-cloud.component.ts
+++ b/lib/process-services-cloud/src/lib/process/process-list/components/process-list-cloud.component.ts
@@ -543,7 +543,7 @@ export class ProcessListCloudComponent extends DataTableSchema<ProcessListDataCo
             completedTo: this.completedTo,
             suspendedFrom: this.suspendedFrom,
             suspendedTo: this.suspendedTo,
-            variableKeys: this.getVariableDefinitionsRequestModel()
+            processVariableKeys: this.getVariableDefinitionsRequestModel()
         };
 
         return new ProcessListRequestModel(requestNode);
diff --git a/lib/process-services-cloud/src/lib/process/process-list/models/process-cloud-query-request.model.ts b/lib/process-services-cloud/src/lib/process/process-list/models/process-cloud-query-request.model.ts
index caa7451d5a..5e1aece1ed 100644
--- a/lib/process-services-cloud/src/lib/process/process-list/models/process-cloud-query-request.model.ts
+++ b/lib/process-services-cloud/src/lib/process/process-list/models/process-cloud-query-request.model.ts
@@ -106,7 +106,7 @@ export class ProcessListRequestModel {
     suspendedTo?: string;
 
     processVariableFilters?: ProcessListRequestProcessVariableFilter[];
-    variableKeys?: string[];
+    processVariableKeys?: string[];
 
     constructor(obj: Partial<ProcessListRequestModel>) {
         if (!obj.appName) {
@@ -129,7 +129,7 @@ export class ProcessListRequestModel {
         this.completedTo = obj.completedTo;
         this.suspendedFrom = obj.suspendedFrom;
         this.suspendedTo = obj.suspendedTo;
-        this.variableKeys = obj.variableKeys;
+        this.processVariableKeys = obj.processVariableKeys;
     }
 }
 
diff --git a/lib/process-services-cloud/src/lib/process/process-list/services/process-list-cloud.service.ts b/lib/process-services-cloud/src/lib/process/process-list/services/process-list-cloud.service.ts
index 5e83f84e87..93c74196af 100644
--- a/lib/process-services-cloud/src/lib/process/process-list/services/process-list-cloud.service.ts
+++ b/lib/process-services-cloud/src/lib/process/process-list/services/process-list-cloud.service.ts
@@ -102,8 +102,6 @@ export class ProcessListCloudService extends BaseCloudService {
     }
 
     protected buildQueryData(requestNode: ProcessListRequestModel) {
-        const variableKeys = requestNode.variableKeys?.length > 0 ? requestNode.variableKeys.join(',') : undefined;
-
         const queryData: any = {
             name: requestNode.name,
             initiator: requestNode.initiator,
@@ -117,7 +115,7 @@ export class ProcessListCloudService extends BaseCloudService {
             completedTo: requestNode.completedTo,
             suspendedFrom: requestNode.suspendedFrom,
             suspendedTo: requestNode.suspendedTo,
-            variableKeys: variableKeys
+            processVariableKeys: requestNode.processVariableKeys
         };
 
         Object.keys(queryData).forEach((key) => {
diff --git a/lib/process-services-cloud/src/lib/task/task-list/components/task-list-cloud.component.ts b/lib/process-services-cloud/src/lib/task/task-list/components/task-list-cloud.component.ts
index f862d571a9..81e7f6a6a6 100644
--- a/lib/process-services-cloud/src/lib/task/task-list/components/task-list-cloud.component.ts
+++ b/lib/process-services-cloud/src/lib/task/task-list/components/task-list-cloud.component.ts
@@ -280,7 +280,7 @@ export class TaskListCloudComponent extends BaseTaskListCloudComponent<ProcessLi
             dueDateTo: this.dueDateTo,
             completedFrom: this.completedFrom,
             completedTo: this.completedTo,
-            variableKeys: this.getRequestNodeVariables()
+            processVariableKeys: this.getRequestNodeVariables()
         };
 
         return new TaskListRequestModel(requestNode);
diff --git a/lib/process-services-cloud/src/lib/task/task-list/services/task-list-cloud.service.ts b/lib/process-services-cloud/src/lib/task/task-list/services/task-list-cloud.service.ts
index ad169cff5d..6a724f7ffd 100644
--- a/lib/process-services-cloud/src/lib/task/task-list/services/task-list-cloud.service.ts
+++ b/lib/process-services-cloud/src/lib/task/task-list/services/task-list-cloud.service.ts
@@ -99,8 +99,6 @@ export class TaskListCloudService extends BaseCloudService implements TaskListCl
     }
 
     protected buildQueryData(requestNode: TaskListRequestModel) {
-        const variableKeys = requestNode.variableKeys?.length > 0 ? requestNode.variableKeys.join(',') : undefined;
-
         const queryData: any = {
             status: requestNode.status,
             processDefinitionName: requestNode.processDefinitionName,
@@ -114,7 +112,7 @@ export class TaskListCloudService extends BaseCloudService implements TaskListCl
             createdTo: requestNode.createdTo,
             dueDateFrom: requestNode.dueDateFrom,
             dueDateTo: requestNode.dueDateTo,
-            variableKeys
+            processVariableKeys: requestNode.processVariableKeys
         };
 
         Object.keys(queryData).forEach((key) => {