diff --git a/src/ui/SelectionPanel.cpp b/src/ui/SelectionPanel.cpp
index e584e6a..b4948e2 100644
--- a/src/ui/SelectionPanel.cpp
+++ b/src/ui/SelectionPanel.cpp
@@ -1,5 +1,7 @@
 #include "SelectionPanel.h"
 
+#include <QLayout>
+#include <QList>
 #include <QScrollArea>
 #include <QScrollBar>
 #include <QVBoxLayout>
@@ -263,9 +265,16 @@ void SelectionPanel::placeIn(const QRect& viewRect, const std::vector<QRect>& oc
     // laid out, does the width it reports. Measuring at whatever width the panel
     // happens to have carries the previous card's shape into this one.
     //
-    // Each measurement re-runs the body layout. Cards are built and discarded whole, so
-    // its cached hint describes the card before this one until it is invalidated, and
-    // re-running it is also what accounts for the parts a card hides and shows as it
+    // Each measurement re-runs the card's layouts -- every one of them, not just the
+    // body's own. Changing a label's text posts a LayoutRequest to the widget holding it
+    // and that event is only delivered when the event loop next runs, so a layout nested
+    // inside the card still reports the width of the text before the change: measuring
+    // here and re-measuring on the following refresh then gives two different answers,
+    // and the panel visibly resizes a frame after its content changed. Re-activating
+    // them all is what a delivered LayoutRequest would have done.
+    //
+    // Cards are built and discarded whole, so this is also what discards the previous
+    // card's cached hints, and what accounts for the parts a card hides and shows as it
     // refreshes. The polish belongs to the same step: a freshly created chip reports an
     // unstyled hint until the stylesheet has reached it, and the chips carry border and
     // padding that change their size.
@@ -273,6 +282,16 @@ void SelectionPanel::placeIn(const QRect& viewRect, const std::vector<QRect>& oc
     {
         m_body->resize(widthPx, m_body->height());
         m_body->ensurePolished();
+
+        // Deepest first, so no layout is re-activated from children that are themselves
+        // still stale. findChildren walks parents before children, hence the reverse.
+        const QList<QLayout*> nested = m_body->findChildren<QLayout*>();
+        for (QList<QLayout*>::const_reverse_iterator it = nested.rbegin();
+             it != nested.rend(); ++it)
+        {
+            (*it)->invalidate();
+            (*it)->activate();
+        }
         m_body->layout()->invalidate();
         m_body->layout()->activate();
         return m_body->sizeHint();