diff --git a/src/ksqueezedtextlabel.cpp b/src/ksqueezedtextlabel.cpp
--- a/src/ksqueezedtextlabel.cpp
+++ b/src/ksqueezedtextlabel.cpp
@@ -120,6 +120,7 @@
         QLabel::setText(d->fullText);
         setToolTip(QString());
     }
+    updateGeometry();
 }
 
 void KSqueezedTextLabel::setAlignment(Qt::Alignment alignment)