diff --git a/containment.cpp b/containment.cpp
index aa765f7dc..45e294aa8 100644
--- a/containment.cpp
+++ b/containment.cpp
@@ -146,6 +146,7 @@ void Containment::loadConstraints(KConfigGroup* group)
     setLocation((Plasma::Location)group->readEntry("location", (int)d->location));
     setFormFactor((Plasma::FormFactor)group->readEntry("formfactor", (int)d->formFactor));
     setScreen(group->readEntry("screen", d->screen));
+    flushUpdatedConstraints();
 }
 
 void Containment::saveConstraints(KConfigGroup* group) const
diff --git a/corona.cpp b/corona.cpp
index 729fd27d5..1ea0505c4 100644
--- a/corona.cpp
+++ b/corona.cpp
@@ -267,6 +267,7 @@ void Corona::loadApplets(const QString& configName)
                 Containment* c = addContainment("desktop");
                 c->setScreen(i);
                 c->setFormFactor(Plasma::Planar);
+                c->flushUpdatedConstraints();
             }
         }
     }
@@ -297,6 +298,7 @@ void Corona::loadDefaultSetup()
         Containment* c = addContainment("desktop");
         c->setScreen(i);
         c->setFormFactor(Plasma::Planar);
+        c->flushUpdatedConstraints();
 
         if (g.x() <= topLeftCorner.x() && g.y() >= topLeftCorner.y()) {
             topLeftCorner = g.topLeft();