diff --git a/backends/exllamav3/model.py b/backends/exllamav3/model.py
index 18e04e8..330c4e1 100644
--- a/backends/exllamav3/model.py
+++ b/backends/exllamav3/model.py
@@ -233,7 +233,7 @@ class ExllamaV3Container(BaseModelContainer):
             case "Q8":
                 self.cache_mode = "8,8"
 
-        split_cache_mode = re.search(r"^([2-8]),([2-8])$", self.cache_mode)
+        split_cache_mode = re.search(r"^([2-8])\s*,\s*([2-8])$", self.cache_mode)
         if split_cache_mode:
             k_bits = int(split_cache_mode.group(1))
             v_bits = int(split_cache_mode.group(2))
diff --git a/common/config_models.py b/common/config_models.py
index 8ee4ff7..b4a245e 100644
--- a/common/config_models.py
+++ b/common/config_models.py
@@ -10,7 +10,7 @@ from typing import List, Literal, Optional, Union
 
 
 CACHE_SIZES = Literal["FP16", "Q8", "Q6", "Q4"]
-CACHE_TYPE = Union[CACHE_SIZES, constr(pattern=r"^[2-8],[2-8]$")]
+CACHE_TYPE = Union[CACHE_SIZES, constr(pattern=r"^[2-8]\s*,\s*[2-8]$")]
 
 
 class Metadata(BaseModel):