diff --git a/radio/src/thirdparty/libopenui/src/expansion_panel.cpp b/radio/src/thirdparty/libopenui/src/expansion_panel.cpp
index 6f2a84689..a73e098c9 100644
--- a/radio/src/thirdparty/libopenui/src/expansion_panel.cpp
+++ b/radio/src/thirdparty/libopenui/src/expansion_panel.cpp
@@ -19,6 +19,13 @@
 
 #include "expansion_panel.h"
 
+void ExpansionPanel::updateHeight()
+{
+  coord_t newHeight = (isOpen ? header->height() + body->height() : header->height());
+  parent->moveWindowsTop(bottom(), newHeight - height());
+  setHeight(newHeight);
+}
+
 ExpansionPanelHeader::ExpansionPanelHeader(ExpansionPanel * parent):
   FormGroup(parent, {0, 0, parent->width(), parent->height()}, FORWARD_SCROLL)
 {
diff --git a/radio/src/thirdparty/libopenui/src/expansion_panel.h b/radio/src/thirdparty/libopenui/src/expansion_panel.h
index 26ce33af4..67286faee 100644
--- a/radio/src/thirdparty/libopenui/src/expansion_panel.h
+++ b/radio/src/thirdparty/libopenui/src/expansion_panel.h
@@ -70,15 +70,7 @@ class ExpansionPanel: public FormGroup {
       updateHeight();
     }
 
-    void updateHeight()
-    {
-      coord_t previousHeight = height();
-      coord_t previousBottom = bottom();
-      body->adjustInnerHeight();
-      coord_t newHeight = (isOpen ? header->height() + body->height() : header->height());
-      parent->moveWindowsTop(previousBottom, newHeight - previousHeight);
-      setHeight(newHeight);
-    }
+    void updateHeight();
 
     void setFocus(uint8_t flag) override
     {