diff --git a/fooocus_version.py b/fooocus_version.py
index 024a3d18..383afaed 100644
--- a/fooocus_version.py
+++ b/fooocus_version.py
@@ -1 +1 @@
-version = '2.1.732'
+version = '2.1.733'
diff --git a/modules/async_worker.py b/modules/async_worker.py
index b7c3c18d..2509d763 100644
--- a/modules/async_worker.py
+++ b/modules/async_worker.py
@@ -123,13 +123,8 @@ def worker():
         controlnet_cpds_path = None
         clip_vision_path, ip_negative_path, ip_adapter_path = None, None, None
 
-        seed = image_seed
-        max_seed = int(1024 * 1024 * 1024)
-        if not isinstance(seed, int):
-            seed = random.randint(1, max_seed)
-        if seed < 0:
-            seed = - seed
-        seed = seed % max_seed
+        seed = int(image_seed)
+        print(f'[Parameters] Seed = {seed}')
 
         if performance_selection == 'Speed':
             steps = 30
diff --git a/modules/expansion.py b/modules/expansion.py
index 2145a701..f65089fa 100644
--- a/modules/expansion.py
+++ b/modules/expansion.py
@@ -6,6 +6,9 @@ from transformers import AutoTokenizer, AutoModelForCausalLM, set_seed
 from modules.path import fooocus_expansion_path
 from fcbh.model_patcher import ModelPatcher
 
+# limitation of np.random.seed(), called from transformers.set_seed()
+SEED_LIMIT_NUMPY = 2**32
+
 
 fooocus_magic_split = [
     ', extremely',
@@ -54,7 +57,7 @@ class FooocusExpansion:
             print('Fooocus Expansion loaded by itself.')
             model_management.load_model_gpu(self.patcher)
 
-        seed = int(seed)
+        seed = int(seed) % SEED_LIMIT_NUMPY
         set_seed(seed)
         origin = safe_str(prompt)
         prompt = origin + fooocus_magic_split[seed % len(fooocus_magic_split)]
diff --git a/update_log.md b/update_log.md
index c122d66b..9d33ba27 100644
--- a/update_log.md
+++ b/update_log.md
@@ -1,3 +1,7 @@
+# 2.1.733
+
+* Increased allowed random seed range.
+
 # 2.1.728
 
 * Fixed some potential numerical problems since 2.1.723
diff --git a/webui.py b/webui.py
index c8c6bc4e..a6829aee 100644
--- a/webui.py
+++ b/webui.py
@@ -18,6 +18,10 @@ from modules.sdxl_styles import legal_style_names, aspect_ratios
 from modules.private_logger import get_current_html_path
 from modules.ui_gradio_extensions import reload_javascript
 
+# as in k-diffusion (sampling.py)
+MIN_SEED = 0
+MAX_SEED = 2**63 - 1
+
 
 def generate_clicked(*args):
     execution_start_time = time.perf_counter()
@@ -193,16 +197,22 @@ with shared.gradio_root:
                                              info='Describing what you do not want to see.', lines=2,
                                              value=modules.path.default_negative_prompt)
                 seed_random = gr.Checkbox(label='Random', value=True)
-                image_seed = gr.Number(label='Seed', value=0, precision=0, visible=False)
+                image_seed = gr.Textbox(label='Seed', value=0, max_lines=1, visible=False) # workaround for https://github.com/gradio-app/gradio/issues/5354
 
                 def random_checked(r):
                     return gr.update(visible=not r)
 
-                def refresh_seed(r, s):
+                def refresh_seed(r, seed_string):
                     if r:
-                        return random.randint(1, 1024*1024*1024)
+                        return random.randint(MIN_SEED, MAX_SEED)
                     else:
-                        return s
+                        try:
+                            seed_value = int(seed_string)
+                            if MIN_SEED <= seed_value <= MAX_SEED:
+                                return seed_value
+                        except ValueError:
+                            pass
+                        return random.randint(MIN_SEED, MAX_SEED)
 
                 seed_random.change(random_checked, inputs=[seed_random], outputs=[image_seed], queue=False)