diff --git a/libs/postgres_backend/src/lib.rs b/libs/postgres_backend/src/lib.rs
index f6bf7c6fc2..453c58431a 100644
--- a/libs/postgres_backend/src/lib.rs
+++ b/libs/postgres_backend/src/lib.rs
@@ -50,11 +50,14 @@ impl QueryError {
     }
 }
 
+/// Returns true if the given error is a normal consequence of a network issue,
+/// or the client closing the connection. These errors can happen during normal
+/// operations, and don't indicate a bug in our code.
 pub fn is_expected_io_error(e: &io::Error) -> bool {
     use io::ErrorKind::*;
     matches!(
         e.kind(),
-        ConnectionRefused | ConnectionAborted | ConnectionReset | TimedOut
+        BrokenPipe | ConnectionRefused | ConnectionAborted | ConnectionReset | TimedOut
     )
 }