Index: binaries/data/mods/mod/gui/common/modern/styles.xml
===================================================================
--- binaries/data/mods/mod/gui/common/modern/styles.xml
+++ binaries/data/mods/mod/gui/common/modern/styles.xml
@@ -76,7 +76,7 @@
 		sprite2_disabled="ModernDropDownArrowDisabled"
 		sprite2_pressed="ModernDropDownArrowHighlight"
 		buffer_zone="8"
-		dropdown_size="224"
+		dropdown_size="225"
 		sprite_list="BlackBorderOnGray"
 		sprite_selectarea="ModernDarkBoxWhite"
 		textcolor_selected="white"
Index: source/gui/CDropDown.cpp
===================================================================
--- source/gui/CDropDown.cpp
+++ source/gui/CDropDown.cpp
@@ -393,7 +393,8 @@
 	GUI<float>::GetSetting(this, "dropdown_size", size);
 	GUI<float>::GetSetting(this, "dropdown_buffer", buffer);
 
-	if (m_ItemsYPositions.empty() || m_ItemsYPositions.back() >= size)
+ 	// Have 1 pixel buffer since scrollbars need at least 2 pixels.
+	if (m_ItemsYPositions.empty() || m_ItemsYPositions.back() > size + 1)
 	{
 		m_CachedListRect = CRect(m_CachedActualSize.left, m_CachedActualSize.bottom+buffer,
 								 m_CachedActualSize.right, m_CachedActualSize.bottom+buffer + size);