diff --git a/main.py b/main.py
index 2713399..1e371fc 100644
--- a/main.py
+++ b/main.py
@@ -242,14 +242,17 @@ async def ollama_show(request: Request):
 
     for p in profiles:
         if p.get("id") == model_name:
+            # Extract actual context size from the profile's flags
+            flags = p.get("flags", {})
+            ctx_size = str(flags.get("ctx-size", flags.get("n_ctx", "4096")))
             return {
                 "modelfile": "",
-                "parameters": "num_ctx 4096",
+                "parameters": f"num_ctx {ctx_size}",
                 "template": "",
                 "details": {
                     "format": "gguf",
                     "family": p.get("name", "llm"),
-                    "parameter_size": p.get("flags", {}).get("--num-ctx", "4096"),
+                    "parameter_size": ctx_size,
                 },
                 "model_info": {"id": p.get("id", "")},
             }