diff --git a/src/platform/workflow/core/services/workflowService.ts b/src/platform/workflow/core/services/workflowService.ts
index 0cfa979f5a..37c4ef5e5a 100644
--- a/src/platform/workflow/core/services/workflowService.ts
+++ b/src/platform/workflow/core/services/workflowService.ts
@@ -310,23 +310,29 @@ export const useWorkflowService = () => {
     value: string | ComfyWorkflow | null,
     workflowData: ComfyWorkflowJSON
   ) => {
-    // Use workspaceStore here as it is patched in unit tests.
     const workflowStore = useWorkspaceStore().workflow
-    if (typeof value === 'string') {
-      const workflow = workflowStore.getWorkflowByPath(
-        ComfyWorkflow.basePath + appendJsonExt(value)
-      )
-      if (workflow?.isPersisted) {
-        const loadedWorkflow = await workflowStore.openWorkflow(workflow)
-        loadedWorkflow.changeTracker.restore()
-        loadedWorkflow.changeTracker.reset(workflowData)
-        return
-      }
-    }
 
     if (value === null || typeof value === 'string') {
       const path = value as string | null
-      const tempWorkflow = workflowStore.createTemporary(
+
+      // Check if a persisted workflow with this path exists
+      if (path) {
+        const fullPath = ComfyWorkflow.basePath + appendJsonExt(path)
+        const existingWorkflow = workflowStore.getWorkflowByPath(fullPath)
+
+        // If the workflow exists and is NOT loaded yet (restoration case),
+        // use the existing workflow instead of creating a new one.
+        // If it IS loaded, this is a re-import case - create new with suffix.
+        if (existingWorkflow?.isPersisted && !existingWorkflow.isLoaded) {
+          const loadedWorkflow =
+            await workflowStore.openWorkflow(existingWorkflow)
+          loadedWorkflow.changeTracker.reset(workflowData)
+          loadedWorkflow.changeTracker.restore()
+          return
+        }
+      }
+
+      const tempWorkflow = workflowStore.createNewTemporary(
         path ? appendJsonExt(path) : undefined,
         workflowData
       )
@@ -334,7 +340,6 @@ export const useWorkflowService = () => {
       return
     }
 
-    // value is a ComfyWorkflow.
     const loadedWorkflow = await workflowStore.openWorkflow(value)
     loadedWorkflow.changeTracker.reset(workflowData)
     loadedWorkflow.changeTracker.restore()
diff --git a/src/platform/workflow/management/stores/workflowStore.ts b/src/platform/workflow/management/stores/workflowStore.ts
index 584f496753..e821d9c75e 100644
--- a/src/platform/workflow/management/stores/workflowStore.ts
+++ b/src/platform/workflow/management/stores/workflowStore.ts
@@ -172,6 +172,10 @@ interface WorkflowStore {
     path?: string,
     workflowData?: ComfyWorkflowJSON
   ) => ComfyWorkflow
+  createNewTemporary: (
+    path?: string,
+    workflowData?: ComfyWorkflowJSON
+  ) => ComfyWorkflow
   renameWorkflow: (workflow: ComfyWorkflow, newPath: string) => Promise<void>
   deleteWorkflow: (workflow: ComfyWorkflow) => Promise<void>
   saveWorkflow: (workflow: ComfyWorkflow) => Promise<void>
@@ -365,25 +369,15 @@ export const useWorkflowStore = defineStore('workflow', () => {
     return workflow
   }
 
-  const createTemporary = (path?: string, workflowData?: ComfyWorkflowJSON) => {
-    const fullPath = getUnconflictedPath(
-      ComfyWorkflow.basePath + (path ?? 'Unsaved Workflow.json')
-    )
-    const existingWorkflow = workflows.value.find((w) => w.fullFilename == path)
-    if (
-      path &&
-      workflowData &&
-      existingWorkflow?.changeTracker &&
-      !existingWorkflow.directory.startsWith(
-        ComfyWorkflow.basePath.slice(0, -1)
-      )
-    ) {
-      existingWorkflow.changeTracker.reset(workflowData)
-      return existingWorkflow
-    }
-
+  /**
+   * Helper to create a new temporary workflow
+   */
+  const createNewWorkflow = (
+    path: string,
+    workflowData?: ComfyWorkflowJSON
+  ): ComfyWorkflow => {
     const workflow = new ComfyWorkflow({
-      path: fullPath,
+      path,
       modified: Date.now(),
       size: -1
     })
@@ -396,6 +390,47 @@ export const useWorkflowStore = defineStore('workflow', () => {
     return workflow
   }
 
+  /**
+   * Create a temporary workflow, attempting to reuse an existing workflow if conditions match
+   */
+  const createTemporary = (path?: string, workflowData?: ComfyWorkflowJSON) => {
+    const fullPath = getUnconflictedPath(
+      ComfyWorkflow.basePath + (path ?? 'Unsaved Workflow.json')
+    )
+
+    // Try to reuse an existing loaded workflow with the same filename
+    // that is not stored in the workflows directory
+    if (path && workflowData) {
+      const existingWorkflow = workflows.value.find(
+        (w) => w.fullFilename === path
+      )
+      if (
+        existingWorkflow?.changeTracker &&
+        !existingWorkflow.directory.startsWith(
+          ComfyWorkflow.basePath.slice(0, -1)
+        )
+      ) {
+        existingWorkflow.changeTracker.reset(workflowData)
+        return existingWorkflow
+      }
+    }
+
+    return createNewWorkflow(fullPath, workflowData)
+  }
+
+  /**
+   * Create a new temporary workflow without attempting to reuse existing workflows
+   */
+  const createNewTemporary = (
+    path?: string,
+    workflowData?: ComfyWorkflowJSON
+  ): ComfyWorkflow => {
+    const fullPath = getUnconflictedPath(
+      ComfyWorkflow.basePath + (path ?? 'Unsaved Workflow.json')
+    )
+    return createNewWorkflow(fullPath, workflowData)
+  }
+
   const closeWorkflow = async (workflow: ComfyWorkflow) => {
     openWorkflowPaths.value = openWorkflowPaths.value.filter(
       (path) => path !== workflow.path
@@ -777,6 +812,7 @@ export const useWorkflowStore = defineStore('workflow', () => {
     isBusy,
     closeWorkflow,
     createTemporary,
+    createNewTemporary,
     renameWorkflow,
     deleteWorkflow,
     saveAs,