diff --git a/src/ai/insight_generator.rs b/src/ai/insight_generator.rs
index 65ba3a1..d718b7e 100644
--- a/src/ai/insight_generator.rs
+++ b/src/ai/insight_generator.rs
@@ -3281,7 +3281,7 @@ Return ONLY the summary, nothing else."#,
             {
                 for tool_call in tool_calls {
                     log::info!(
-                        "Agentic tool call [{}]: {} {:?}",
+                        "Agentic tool call [{}]: {} {}",
                         iteration,
                         tool_call.function.name,
                         tool_call.function.arguments