diff --git a/.changeset/strong-ravens-joke.md b/.changeset/strong-ravens-joke.md
new file mode 100644
index 0000000000..24f11cd84f
--- /dev/null
+++ b/.changeset/strong-ravens-joke.md
@@ -0,0 +1,5 @@
+---
+"@medusajs/orchestration": patch
+---
+
+Replace workflow definition if not v2
diff --git a/packages/orchestration/src/__tests__/workflow/local-workflow.ts b/packages/orchestration/src/__tests__/workflow/local-workflow.ts
index e3d07ed05a..7a0810e883 100644
--- a/packages/orchestration/src/__tests__/workflow/local-workflow.ts
+++ b/packages/orchestration/src/__tests__/workflow/local-workflow.ts
@@ -80,7 +80,7 @@ describe("WorkflowManager", () => {
     expect(wf).toEqual(["create-product", "broken-delivery", "deliver-product"])
   })
 
-  it("should throw when registering a workflow with an existing id", () => {
+  it("should NOT throw when registering a workflow with an existing id in Medusa V1", () => {
     let err
     try {
       WorkflowManager.register(
@@ -100,6 +100,32 @@ describe("WorkflowManager", () => {
       err = e
     }
 
+    expect(err).toBeUndefined()
+  })
+
+  it("should throw when registering a workflow with an existing id in Medusa V2", () => {
+    let err
+    const env = process.env.MEDUSA_FF_MEDUSA_V2
+    process.env.MEDUSA_FF_MEDUSA_V2 = "true"
+    try {
+      WorkflowManager.register(
+        "create-product",
+        {
+          action: "foo",
+          next: {
+            action: "bar",
+            next: {
+              action: "xor",
+            },
+          },
+        },
+        handlers
+      )
+    } catch (e) {
+      err = e
+    }
+    process.env.MEDUSA_FF_MEDUSA_V2 = env
+
     expect(err).toBeDefined()
     expect(err.message).toBe(
       `Workflow with id "create-product" and step definition already exists.`
@@ -108,6 +134,9 @@ describe("WorkflowManager", () => {
 
   it("should not throw when registering a workflow with an existing id but identical definition", () => {
     let err
+
+    const env = process.env.MEDUSA_FF_MEDUSA_V2
+    process.env.MEDUSA_FF_MEDUSA_V2 = "true"
     try {
       WorkflowManager.register(
         "create-product",
@@ -122,6 +151,7 @@ describe("WorkflowManager", () => {
     } catch (e) {
       err = e
     }
+    process.env.MEDUSA_FF_MEDUSA_V2 = env
 
     expect(err).not.toBeDefined()
   })
diff --git a/packages/orchestration/src/workflow/workflow-manager.ts b/packages/orchestration/src/workflow/workflow-manager.ts
index a2ec8fd69a..5b5e103022 100644
--- a/packages/orchestration/src/workflow/workflow-manager.ts
+++ b/packages/orchestration/src/workflow/workflow-manager.ts
@@ -101,9 +101,11 @@ export class WorkflowManager {
         : true
 
       if (!areStepsEqual) {
-        throw new Error(
-          `Workflow with id "${workflowId}" and step definition already exists.`
-        )
+        if (process.env.MEDUSA_FF_MEDUSA_V2 == "true") {
+          throw new Error(
+            `Workflow with id "${workflowId}" and step definition already exists.`
+          )
+        }
       }
     }