diff --git a/companion/src/prefsedit/prefs_panel.cpp b/companion/src/prefsedit/prefs_panel.cpp
index 926839162..8038cec72 100644
--- a/companion/src/prefsedit/prefs_panel.cpp
+++ b/companion/src/prefsedit/prefs_panel.cpp
@@ -59,6 +59,13 @@ void PrefsPanel::onRadioChanged(Firmware * firmware, bool deferUpdate)
     update();
 }
 
+void PrefsPanel::shrink()
+{
+  // resize(0,0) (AbstractPanel::shrink()) assumes a top-level widget; here the
+  // panel lives in a QScrollArea and can get stuck at zero size instead.
+  updateGeometry();
+}
+
 /*
     PrefsScrollArea
 */
diff --git a/companion/src/prefsedit/prefs_panel.h b/companion/src/prefsedit/prefs_panel.h
index 19c4c86fe..bc263678a 100644
--- a/companion/src/prefsedit/prefs_panel.h
+++ b/companion/src/prefsedit/prefs_panel.h
@@ -61,6 +61,7 @@ class PrefsPanel : public AbstractPanel
 
     AutoLineEdit * newPathWidget(QWidget * parent);
     void setPathWidget(AutoLineEdit * wgt);
+    void shrink();
 
 };