diff --git a/src/core/constraints.c b/src/core/constraints.c
index a205ea0fd..3652b3d8e 100644
--- a/src/core/constraints.c
+++ b/src/core/constraints.c
@@ -787,7 +787,7 @@ constrain_custom_rule (MetaWindow         *window,
   MetaPlacementRule *placement_rule;
   MetaRectangle intersection;
   gboolean constraint_satisfied;
-  MetaPlacementRule *current_rule;
+  MetaPlacementRule current_rule;
   MetaWindow *parent;
   MetaRectangle parent_rect;
 
@@ -820,25 +820,24 @@ constrain_custom_rule (MetaWindow         *window,
   if (check_only)
     return constraint_satisfied;
 
-  current_rule = g_new0 (MetaPlacementRule, 1);
-  *current_rule = *placement_rule;
+  current_rule = *placement_rule;
 
   if (constraint_satisfied)
     goto done;
 
   if (info->current.width != intersection.width &&
-      (current_rule->constraint_adjustment &
+      (current_rule.constraint_adjustment &
        META_PLACEMENT_CONSTRAINT_ADJUSTMENT_FLIP_X))
     {
-      try_flip_window_position (window, info, current_rule,
+      try_flip_window_position (window, info, &current_rule,
                                 META_PLACEMENT_CONSTRAINT_ADJUSTMENT_FLIP_X,
                                 &info->current, &intersection);
     }
   if (info->current.height != intersection.height &&
-      (current_rule->constraint_adjustment &
+      (current_rule.constraint_adjustment &
        META_PLACEMENT_CONSTRAINT_ADJUSTMENT_FLIP_Y))
     {
-      try_flip_window_position (window, info, current_rule,
+      try_flip_window_position (window, info, &current_rule,
                                 META_PLACEMENT_CONSTRAINT_ADJUSTMENT_FLIP_Y,
                                 &info->current, &intersection);
     }
@@ -852,7 +851,7 @@ constrain_custom_rule (MetaWindow         *window,
   if (constraint_satisfied)
     goto done;
 
-  if (current_rule->constraint_adjustment &
+  if (current_rule.constraint_adjustment &
       META_PLACEMENT_CONSTRAINT_ADJUSTMENT_SLIDE_X)
     {
       if (info->current.x != intersection.x)
@@ -860,7 +859,7 @@ constrain_custom_rule (MetaWindow         *window,
       else if (info->current.width != intersection.width)
         info->current.x -= info->current.width - intersection.width;
     }
-  if (current_rule->constraint_adjustment &
+  if (current_rule.constraint_adjustment &
       META_PLACEMENT_CONSTRAINT_ADJUSTMENT_SLIDE_Y)
     {
       if (info->current.y != intersection.y)
@@ -878,13 +877,13 @@ constrain_custom_rule (MetaWindow         *window,
   if (constraint_satisfied)
     goto done;
 
-  if (current_rule->constraint_adjustment &
+  if (current_rule.constraint_adjustment &
       META_PLACEMENT_CONSTRAINT_ADJUSTMENT_RESIZE_X)
     {
       info->current.x = intersection.x;
       info->current.width = intersection.width;
     }
-  if (current_rule->constraint_adjustment &
+  if (current_rule.constraint_adjustment &
       META_PLACEMENT_CONSTRAINT_ADJUSTMENT_RESIZE_Y)
     {
       info->current.y = intersection.y;