diff --git a/src/open_deep_research/deep_researcher.py b/src/open_deep_research/deep_researcher.py
index 279dbffd9..2d0109959 100644
--- a/src/open_deep_research/deep_researcher.py
+++ b/src/open_deep_research/deep_researcher.py
@@ -566,7 +566,7 @@ async def compress_research(state: ResearcherState, config: RunnableConfig):
             synthesis_attempts += 1
             
             # Handle token limit exceeded by removing older messages
-            if is_token_limit_exceeded(e, configurable.research_model):
+            if is_token_limit_exceeded(e, configurable.compression_model):
                 researcher_messages = remove_up_to_last_ai_message(researcher_messages)
                 continue