diff --git a/xwords4/dawg/Spanish/info.txt b/xwords4/dawg/Spanish/info.txt
index 1e324c5b5..de2fde9b8 100644
--- a/xwords4/dawg/Spanish/info.txt
+++ b/xwords4/dawg/Spanish/info.txt
@@ -32,6 +32,9 @@ LANGFILTER_POSTCLIP: | sed 's/LL/2/g'
 LANGFILTER_POSTCLIP: | sed 's/RR/3/g'
 # substitute in the octal control character values
 LANGFILTER_POSTCLIP: | tr '123' '\001\002\003'
+# now add nulls as terminators
+LANGFILTER_POSTCLIP: | tr -s '\n\r' '\000\000'
+LANGFILTER_POSTCLIP: | sort -z
 
 
 LANGINFO: <p>Spanish words include all letters in the English alphabet