diff --git a/scripts/on_sd_start.bat b/scripts/on_sd_start.bat
index 8b2e3e02..57337107 100644
--- a/scripts/on_sd_start.bat
+++ b/scripts/on_sd_start.bat
@@ -46,7 +46,7 @@ if NOT DEFINED test_sd2 set test_sd2=N
         @call git apply --whitespace=warn ..\ui\sd_internal\ddim_callback.patch
     )
     if "%test_sd2%" == "Y" (
-        @call git -c advice.detachedHead=false checkout 7da785cfa0d128368bc1357b54d380ba33dc1138
+        @call git -c advice.detachedHead=false checkout 5a14697a8f4a43a56b575a0b1d02a48b37fb9b94
 
         @call git apply --whitespace=warn ..\ui\sd_internal\ddim_callback_sd2.patch
     )
diff --git a/scripts/on_sd_start.sh b/scripts/on_sd_start.sh
index 133dac3e..a61c5e1c 100644
--- a/scripts/on_sd_start.sh
+++ b/scripts/on_sd_start.sh
@@ -40,7 +40,7 @@ if [ -e "scripts/install_status.txt" ] && [ `grep -c sd_git_cloned scripts/insta
 
         git apply --whitespace=warn ../ui/sd_internal/ddim_callback.patch || fail "ddim patch failed"
     elif [ "$test_sd2" == "Y" ]; then
-        git -c advice.detachedHead=false checkout 7da785cfa0d128368bc1357b54d380ba33dc1138
+        git -c advice.detachedHead=false checkout 5a14697a8f4a43a56b575a0b1d02a48b37fb9b94
 
         git apply --whitespace=warn ../ui/sd_internal/ddim_callback_sd2.patch || fail "sd2 ddim patch failed"
     fi
diff --git a/ui/sd_internal/runtime.py b/ui/sd_internal/runtime.py
index d9521780..b5b61f65 100644
--- a/ui/sd_internal/runtime.py
+++ b/ui/sd_internal/runtime.py
@@ -21,7 +21,6 @@ from torch import autocast
 from contextlib import nullcontext
 from einops import rearrange, repeat
 from ldm.util import instantiate_from_config
-from optimizedSD.optimUtils import split_weighted_subprompts
 from transformers import logging
 
 from gfpgan import GFPGANer
@@ -209,7 +208,8 @@ def load_model_ckpt_sd1():
  using precision: {thread_data.precision}''')
 
 def load_model_ckpt_sd2():
-    config = OmegaConf.load('configs/stable-diffusion/v2-inference-v.yaml')
+    config_file = 'configs/stable-diffusion/v2-inference-v.yaml' if 'sd2_' in thread_data.ckpt_file else "configs/stable-diffusion/v1-inference.yaml"
+    config = OmegaConf.load(config_file)
     verbose = False
 
     sd = load_model_from_config(thread_data.ckpt_file + '.ckpt')
@@ -875,3 +875,48 @@ def base64_str_to_img(img_str):
     buffered = base64_str_to_buffer(img_str)
     img = Image.open(buffered)
     return img
+
+def split_weighted_subprompts(text):
+    """
+    grabs all text up to the first occurrence of ':' 
+    uses the grabbed text as a sub-prompt, and takes the value following ':' as weight
+    if ':' has no value defined, defaults to 1.0
+    repeats until no text remaining
+    """
+    remaining = len(text)
+    prompts = []
+    weights = []
+    while remaining > 0:
+        if ":" in text:
+            idx = text.index(":") # first occurrence from start
+            # grab up to index as sub-prompt
+            prompt = text[:idx]
+            remaining -= idx
+            # remove from main text
+            text = text[idx+1:]
+            # find value for weight 
+            if " " in text:
+                idx = text.index(" ") # first occurence
+            else: # no space, read to end
+                idx = len(text)
+            if idx != 0:
+                try:
+                    weight = float(text[:idx])
+                except: # couldn't treat as float
+                    print(f"Warning: '{text[:idx]}' is not a value, are you missing a space?")
+                    weight = 1.0
+            else: # no value found
+                weight = 1.0
+            # remove from main text
+            remaining -= idx
+            text = text[idx+1:]
+            # append the sub-prompt and its weight
+            prompts.append(prompt)
+            weights.append(weight)
+        else: # no : found
+            if len(text) > 0: # there is still text though
+                # take remainder as weight 1
+                prompts.append(text)
+                weights.append(1.0)
+            remaining = 0
+    return prompts, weights
diff --git a/ui/server.py b/ui/server.py
index 8e5343db..fffbb43c 100644
--- a/ui/server.py
+++ b/ui/server.py
@@ -192,6 +192,7 @@ class SetAppConfigRequest(BaseModel):
     ui_open_browser_on_start: bool = None
     listen_to_network: bool = None
     listen_port: int = None
+    test_sd2: bool = None
 
 @app.post('/app_config')
 async def setAppConfig(req : SetAppConfigRequest):
@@ -212,6 +213,8 @@ async def setAppConfig(req : SetAppConfigRequest):
        if 'net' not in config:
            config['net'] = {}
        config['net']['listen_port'] = int(req.listen_port)
+    if req.test_sd2 is not None:
+        config['test_sd2'] = req.test_sd2
     try:
         setConfig(config)