1 files changed, 9 insertions, 1 deletions
diff --git a/src/Commands.vala b/src/Commands.vala
index 0ad8ecb..04b771c 100644
--- a/src/Commands.vala
+++ b/src/Commands.vala
@@ -211,7 +211,7 @@ public abstract class GenericPhotoTransformationCommand : SingleDataSourceComman
         base(photo, name, explanation);
     }
     
-    ~GenericPhotoTransformationState() {
+    ~GenericPhotoTransformationCommand() {
         if (original_state != null)
             original_state.broken.disconnect(on_state_broken);
         
@@ -795,8 +795,16 @@ public class StraightenCommand : GenericPhotoTransformationCommand {
     }
     
     public override void execute_on_photo(Photo photo) {
+        // thaw collection so both alterations are signalled at the same time
+        DataCollection? collection = photo.get_membership();
+        if (collection != null)
+            collection.freeze_notifications();
+        
         photo.set_straighten(theta);
         photo.set_crop(crop);
+        
+        if (collection != null)
+            collection.thaw_notifications();
     }
 }