diff --git a/t14/cannon.cpp b/t14/cannon.cpp
index a9ba8430a05de2d29cc676a2d79056458b545e77..adb61fdd920f3c57667a4bbd1a3dbac5707ced7c 100644
--- a/t14/cannon.cpp
+++ b/t14/cannon.cpp
@@ -184,7 +184,7 @@ void CannonField::paintTarget( QPainter *p )
 {
     p->setBrush( Qt::red );
     p->setPen( Qt::black );
-    p->drawRect( targetRect() );
+    p->drawRect( targetRect().adjusted(0, 0, -1, -1) );
 }
 
 void CannonField::paintBarrier( QPainter *p )