1 files changed, 1 insertions, 1 deletions
diff --git a/src/zenity.h b/src/zenity.h
index 77f0c050..bab11e31 100644
--- a/src/zenity.h
+++ b/src/zenity.h
@@ -34,7 +34,7 @@ typedef struct {
   gint   exit_code;
   gint   timeout_delay;
   gboolean modal;
-  gint   attach;
+  guintptr attach;
 } ZenityData;
 
 typedef enum {