sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\2/'`
     req_micro=`echo $1 | \
              sed 's/\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)/\3/'`
-    gpg_version=`$GPG --version | grep ^gpg`
+    gpg_version=`"$GPG" --version | grep ^gpg`
     major=`echo $gpg_version | \
          sed 's/^gpg (GnuPG) \([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
     minor=`echo $gpg_version | \