diff --git a/aider/coders/base_coder.py b/aider/coders/base_coder.py
index b924647b4..b6c6a8d90 100755
--- a/aider/coders/base_coder.py
+++ b/aider/coders/base_coder.py
@@ -1408,7 +1408,8 @@ class Coder:
                     return f"{value:.{max(2, 2 - int(math.log10(magnitude)))}f}"
 
             cost_report = (
-                f" Cost: ${format_cost(self.message_cost)} message, ${format_cost(self.total_cost)} session."
+                f" Cost: ${format_cost(self.message_cost)} message,"
+                f" ${format_cost(self.total_cost)} session."
             )
             self.usage_report = tokens_report + cost_report
         else: