diff --git a/src/agent/context.rs b/src/agent/context.rs
index f560d0c..62beff9 100644
--- a/src/agent/context.rs
+++ b/src/agent/context.rs
@@ -623,7 +623,7 @@ impl ResponseParser {
     fn flush_content(&mut self, ctx: &mut ContextState) {
         if !self.content_parts.is_empty() {
             let text: String = self.content_parts.drain(..).collect();
-            if !text.is_empty() {
+            if !text.trim().is_empty() {
                 self.push_child(ctx, AstNode::content(text));
             }
         }