1 files changed, 1 insertions, 0 deletions

diff --git a/src/window.c b/src/window.c
index 50f7238205f..fac38cb5328 100644
--- a/src/window.c
+++ b/src/window.c
@@ -1561,6 +1561,7 @@ window_loop (type, obj, mini, frames)
 {
   Lisp_Object window, windows, best_window, frame_arg;
   struct frame *f;
+  struct gcpro gcpro1;
   
   /* If we're only looping through windows on a particular frame,
      frame points to that frame.  If we're looping through windows