diff --git a/src/msw/window.cpp b/src/msw/window.cpp
index 3189e52624..31a35b51c7 100644
--- a/src/msw/window.cpp
+++ b/src/msw/window.cpp
@@ -1400,7 +1400,7 @@ wxBorder wxWindowMSW::GetDefaultBorder() const
     return wxWindowBase::GetDefaultBorder();
 }
 
-// Translate wxBORDER_THEME (and other border styles if necessary to the value
+// Translate wxBORDER_THEME (and other border styles if necessary) to the value
 // that makes most sense for this Windows environment
 wxBorder wxWindowMSW::TranslateBorder(wxBorder border) const
 {
@@ -1419,6 +1419,7 @@ wxBorder wxWindowMSW::TranslateBorder(wxBorder border) const
             if (theme)
                 return wxBORDER_THEME;
         }
+        return wxBORDER_SUNKEN;
     }
 #endif
     return border;