diff --git a/lib/libedit/src/makelist b/lib/libedit/src/makelist
index 315d91e2a..c8db945f4 100644
--- a/lib/libedit/src/makelist
+++ b/lib/libedit/src/makelist
@@ -127,7 +127,7 @@ case $FLAG in
 #
 -fh)
     cat $FILES | $AWK '/el_action_t/ { print $3 }' | \
-    sort | tr '[:lower:]' '[:upper:]' | $AWK '
+    sort | tr '[a-z]' '[A-Z]' | tr -d ' ' | $AWK '
 	BEGIN {
 	    printf("/* Automatically generated file, do not edit */\n");
 	    count = 0;