diff --git a/common/src/main/java/com/netflix/conductor/common/metadata/workflow/SubWorkflowParams.java b/common/src/main/java/com/netflix/conductor/common/metadata/workflow/SubWorkflowParams.java
index d17378862..ce4fe4fd8 100644
--- a/common/src/main/java/com/netflix/conductor/common/metadata/workflow/SubWorkflowParams.java
+++ b/common/src/main/java/com/netflix/conductor/common/metadata/workflow/SubWorkflowParams.java
@@ -46,7 +46,7 @@ public class SubWorkflowParams {
     private IdempotencyStrategy idempotencyStrategy;
 
     // Priority of the sub workflow, not set inherits from the parent
-    private Integer priority;
+    private Object priority;
 
     public String getIdempotencyKey() {
         return idempotencyKey;
@@ -64,11 +64,11 @@ public void setIdempotencyStrategy(IdempotencyStrategy idempotencyStrategy) {
         this.idempotencyStrategy = idempotencyStrategy;
     }
 
-    public Integer getPriority() {
+    public Object getPriority() {
         return priority;
     }
 
-    public void setPriority(Integer priority) {
+    public void setPriority(Object priority) {
         this.priority = priority;
     }
 
diff --git a/core/src/main/java/com/netflix/conductor/core/execution/mapper/SubWorkflowTaskMapper.java b/core/src/main/java/com/netflix/conductor/core/execution/mapper/SubWorkflowTaskMapper.java
index fae54660b..f59d67364 100644
--- a/core/src/main/java/com/netflix/conductor/core/execution/mapper/SubWorkflowTaskMapper.java
+++ b/core/src/main/java/com/netflix/conductor/core/execution/mapper/SubWorkflowTaskMapper.java
@@ -14,6 +14,7 @@
 
 import java.util.*;
 
+import org.apache.commons.lang3.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Component;
@@ -83,8 +84,9 @@ public List<TaskModel> getMappedTasks(TaskMapperContext taskMapperContext) {
         subWorkflowTask.addInput("workflowInput", taskMapperContext.getTaskInput());
         subWorkflowTask.setStatus(TaskModel.Status.SCHEDULED);
         subWorkflowTask.setCallbackAfterSeconds(workflowTask.getStartDelay());
-        if (subWorkflowParams.getPriority() != null) {
-            subWorkflowTask.setWorkflowPriority(subWorkflowParams.getPriority());
+        if (subWorkflowParams.getPriority() != null && !StringUtils.isEmpty(subWorkflowParams.getPriority().toString())) {
+            int priority = Integer.parseInt(subWorkflowParams.getPriority().toString());
+            subWorkflowTask.setWorkflowPriority(priority);
         }
         LOGGER.debug("SubWorkflowTask {} created to be Scheduled", subWorkflowTask);
         return List.of(subWorkflowTask);