diff --git a/pmc/rectangle.cc b/pmc/rectangle.cc
--- a/pmc/rectangle.cc
+++ b/pmc/rectangle.cc
@@ -63,9 +63,9 @@
     if ((anker.Y () + location.Y ()) < 0)
         return;
 
-    if ((anker.X () + location.X ()) >= surface->getWidth ())
+    if ((anker.X () + location.X ()) > surface->getWidth ())
         return;
-    if ((anker.Y () + location.Y ()) >= surface->getHeight ())
+    if ((anker.Y () + location.Y ()) > surface->getHeight ())
         return;
 
     for (int i = 0; i < 4; i++) {