diff --git a/effects/internal/transformeffect.cpp b/effects/internal/transformeffect.cpp
index 0b7466dd5..352e0a6e6 100644
--- a/effects/internal/transformeffect.cpp
+++ b/effects/internal/transformeffect.cpp
@@ -119,24 +119,52 @@ TransformEffect::TransformEffect(Clip* c, const EffectMeta* em) : Effect(c, em)
 	// set defaults
 	uniform_scale_field->set_bool_value(true);
 	blend_mode_box->set_combo_index(0);
+    set = false;
 	refresh();
 }
 
+void adjust_field(EffectField* field, double old_offset, double new_offset) {
+    if (field->keyframes.size() > 0) {
+        for (int i=0;i<field->keyframes.size();i++) {
+            field->keyframes[i].data = field->keyframes.at(i).data.toDouble() - old_offset + new_offset;
+        }
+    } else {
+        field->set_current_data(field->get_current_data().toDouble() - old_offset + new_offset);
+    }
+}
+
 void TransformEffect::refresh() {
 	if (parent_clip != NULL && parent_clip->sequence != NULL) {
-		double default_pos_x = parent_clip->sequence->width/2;
-		double default_pos_y = parent_clip->sequence->height/2;
+        double new_default_pos_x = parent_clip->sequence->width/2;
+        double new_default_pos_y = parent_clip->sequence->height/2;
+
+        /*if (set) {
+            adjust_field(position_x, default_pos_x, new_default_pos_x);
+            adjust_field(position_y, default_pos_y, new_default_pos_y);
+        }*/
+
+        default_pos_x = new_default_pos_x;
+        default_pos_y = new_default_pos_y;
 
 		position_x->set_double_default_value(default_pos_x);
 		position_y->set_double_default_value(default_pos_y);
 		scale_x->set_double_default_value(100);
 		scale_y->set_double_default_value(100);
 
-		default_anchor_x = parent_clip->getWidth()/2;
-		default_anchor_y = parent_clip->getHeight()/2;
+        int new_default_anchor_x = parent_clip->getWidth()/2;
+        int new_default_anchor_y = parent_clip->getHeight()/2;
 
-		if (default_anchor_x == 0) default_anchor_x = default_pos_x;
-		if (default_anchor_y == 0) default_anchor_y = default_pos_y;
+        if (new_default_anchor_x == 0) new_default_anchor_x = default_pos_x;
+        if (new_default_anchor_y == 0) new_default_anchor_y = default_pos_y;
+
+        // adjust anchors for new size
+        if (set) {
+            adjust_field(anchor_x_box, default_anchor_x, new_default_anchor_x);
+            adjust_field(anchor_y_box, default_anchor_y, new_default_anchor_y);
+        }
+
+        default_anchor_x = new_default_anchor_x;
+        default_anchor_y = new_default_anchor_y;
 
 		anchor_x_box->set_double_default_value(default_anchor_x);
 		anchor_y_box->set_double_default_value(default_anchor_y);
@@ -157,6 +185,8 @@ void TransformEffect::refresh() {
 		left_center_gizmo->x_field_multi1 = -x_percent_multipler;
 		right_center_gizmo->x_field_multi1 = x_percent_multipler;
 		rotate_gizmo->x_field_multi1 = x_percent_multipler;
+
+        set = true;
 	}
 }
 
diff --git a/effects/internal/transformeffect.h b/effects/internal/transformeffect.h
index c198ffb0a..c20ff6a6d 100644
--- a/effects/internal/transformeffect.h
+++ b/effects/internal/transformeffect.h
@@ -39,6 +39,9 @@ private:
 
 	int default_anchor_x;
     int default_anchor_y;
+    double default_pos_x;
+    double default_pos_y;
+    bool set;
 };
 
 #endif // TRANSFORMEFFECT_H