diff --git a/aider/versioncheck.py b/aider/versioncheck.py
index 6c223ae1f..2575e2310 100644
--- a/aider/versioncheck.py
+++ b/aider/versioncheck.py
@@ -60,9 +60,11 @@ Newer aider version v{latest_version} is available. To upgrade, run:
     io.tool_error(text)
 
     if io.confirm_ask("Run pip install?"):
-        success, _output = utils.run_install(cmd)
+        success, output = utils.run_install(cmd)
         if success:
             io.tool_output("Re-run aider to use new version.")
             sys.exit()
+        else:
+            io.tool_error(output)
 
     return True