diff --git a/services/planner-agent/src/llm_router.py b/services/planner-agent/src/llm_router.py
index b820803..5213ad6 100644
--- a/services/planner-agent/src/llm_router.py
+++ b/services/planner-agent/src/llm_router.py
@@ -337,13 +337,16 @@ class LLMRouter:
             **cfg.extra_kwargs,
         }
         if cfg.api_base:
-            kwargs["api_base"] = cfg.api_base
+            # Use "base_url" — the officially named param of litellm.acompletion().
+            # "api_base" also works (via **kwargs → kwargs.get("api_base")), but
+            # "base_url" is what acompletion() maps directly into completion_kwargs.
+            kwargs["base_url"] = cfg.api_base
 
-        # DEBUG — temporary, remove after confirming OLLAMA_API_BASE routing
-        logger.info(
-            "[llm_router][DEBUG] calling litellm model=%s api_base=%s",
-            cfg.name,
-            kwargs.get("api_base", "<not set>"),
+        # DEBUG [TEMP] — print() to stdout so it's always visible regardless of log level
+        print(
+            f"[llm_router][DEBUG] litellm call: model={cfg.name!r}"
+            f"  base_url={kwargs.get('base_url', '<not set>')!r}",
+            flush=True,
         )
 
         try: