diff --git a/pub/share/wups11a.ps b/pub/share/wups11a.ps
index 9ce8e5e4accd9d8bee5fc7bf67e3a7bd54be41ef..ab55d49fc7c3cbb32a0ef8b861d1a44b505adb0e 100644
--- a/pub/share/wups11a.ps
+++ b/pub/share/wups11a.ps
@@ -625,7 +625,9 @@ WuGdict11a begin
    /zPlotFrame {} def
    black
    } def
-/BoxBackground { 0 0 10 10 boxit gsave setboxbackgroundcolor fill grestore } def
+/BoxBackground {
+   0 0 10 10 boxit gsave setboxbackgroundcolor fill grestore
+} def
 /setboxbackgroundcolor { white } def