diff --git a/configure.ac b/configure.ac
index 1c5e9dc..6f3e1da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -28,11 +28,11 @@ AC_ARG_ENABLE(pkcs11-download,
      for f in $(wget -qO- ftp://ftp.rsasecurity.com/pub/pkcs/pkcs-11/v2-20/ 2>&1 | html2 | sed -n 's,.*/a/@href=\(.*\.h\)$,\1,gp'); do
        wget --unlink $f
        if ! test -f "${f##*/}"; then
-          AC_MSG_ERROR([download failed of PKCS#11 header file: ${f##*/}])
+          AC_MSG_ERROR([download failed of PKCS11 header file: $f])
        fi
      done
      if ! test -f cryptoki.h; then
-        AC_MSG_ERROR([download failed of PKCS#11 - have you installed xml2?])
+        AC_MSG_ERROR([download failed of PKCS11 - have you installed xml2?])
      fi
      AM_CPPFLAGS+=" -I$(pwd)"
      cd -