diff --git a/fooocus_version.py b/fooocus_version.py
index a86d5dcb..199193ac 100644
--- a/fooocus_version.py
+++ b/fooocus_version.py
@@ -1 +1 @@
-version = '2.1.746'
+version = '2.1.747'
diff --git a/modules/async_worker.py b/modules/async_worker.py
index 26cd986d..2832ca86 100644
--- a/modules/async_worker.py
+++ b/modules/async_worker.py
@@ -216,6 +216,10 @@ def worker():
             prompt = prompts[0]
             negative_prompt = negative_prompts[0]
 
+            if prompt == '':
+                # disable expansion when empty since it is not meaningful and influences image prompt
+                use_expansion = False
+
             extra_positive_prompts = prompts[1:] if len(prompts) > 1 else []
             extra_negative_prompts = negative_prompts[1:] if len(negative_prompts) > 1 else []