diff --git a/packages/phosphor/src/WidgetAdapter.css b/packages/phosphor/src/WidgetAdapter.css
index 186d0d0b3f..fa6c69d1cc 100644
--- a/packages/phosphor/src/WidgetAdapter.css
+++ b/packages/phosphor/src/WidgetAdapter.css
@@ -4,7 +4,7 @@
   border-bottom: 1px solid #C0C0C0;
   background: white;
   min-width: 64px;
-  min-height: 64px;
+  min-height: 48px;
 }
 
 .phosphor_WidgetAdapter.lm-DockPanel-widget {