diff --git a/gio/gioenums.h b/gio/gioenums.h
index 90cc9ddb7..8ebdb2f17 100644
--- a/gio/gioenums.h
+++ b/gio/gioenums.h
@@ -475,6 +475,7 @@ typedef enum {
  *     "connection closed" errors returned %G_IO_ERROR_BROKEN_PIPE, but others
  *     returned %G_IO_ERROR_FAILED. Now they should all return the same
  *     value, which has this more logical name. Since 2.44.
+ * @G_IO_ERROR_NOT_CONNECTED: Transport endpoint is not connected. Since 2.44
  *
  * Error codes returned by GIO functions.
  *
@@ -539,6 +540,7 @@ typedef enum {
   G_IO_ERROR_PROXY_NOT_ALLOWED,
   G_IO_ERROR_BROKEN_PIPE,
   G_IO_ERROR_CONNECTION_CLOSED = G_IO_ERROR_BROKEN_PIPE
+  G_IO_ERROR_NOT_CONNECTED
 } GIOErrorEnum;
 
 
diff --git a/gio/gioerror.c b/gio/gioerror.c
index 52c9b722c..4ec53e8e0 100644
--- a/gio/gioerror.c
+++ b/gio/gioerror.c
@@ -314,6 +314,9 @@ g_io_error_from_win32_error (gint error_code)
     case WSAECONNRESET:
       return G_IO_ERROR_CONNECTION_CLOSED;
 
+    case ERROR_PIPE_LISTENING:
+      return G_IO_ERROR_NOT_CONNECTED;
+
     default:
       return G_IO_ERROR_FAILED;
     }