--- menuselect/configure.orig	2022-06-23 15:26:13 UTC
+++ menuselect/configure
@@ -5099,7 +5099,7 @@ else
 printf "%s\n" "yes" >&6; }
 
             PBX_LIBXML2=1
-            LIBXML2_INCLUDE=$(echo ${LIBXML2_CFLAGS} | $SED -e "s|-std=c99||g")
+            LIBXML2_INCLUDE=$(echo ${LIBXML2_CFLAGS} | sed -e "s|-std=c99||g")
             LIBXML2_LIB="$LIBXML2_LIBS"
 
 printf "%s\n" "#define HAVE_LIBXML2 1" >>confdefs.h