diff --git a/aider/io.py b/aider/io.py
index 226a50c25..0d3f3c88d 100644
--- a/aider/io.py
+++ b/aider/io.py
@@ -497,7 +497,7 @@ class InputOutput:
                         return cmd
 
             except EOFError:
-                return ""
+                raise
             except Exception as err:
                 import traceback