diff --git a/build-aux/speedo.mk b/build-aux/speedo.mk
index d286655c3..67ccbb454 100644
--- a/build-aux/speedo.mk
+++ b/build-aux/speedo.mk
@@ -448,7 +448,9 @@ speedo_pkg_libgcrypt_configure = --disable-static
 speedo_pkg_libksba_configure = --disable-static
 
 ifeq ($(TARGETOS),w32)
-speedo_pkg_gnupg_configure = --enable-gpg2-is-gpg --disable-g13 --disable-ntbtls
+speedo_pkg_gnupg_configure = \
+        --enable-gpg2-is-gpg --disable-g13 --disable-ntbtls \
+        --enable-build-timestamp
 else
 speedo_pkg_gnupg_configure = --disable-g13
 endif
diff --git a/configure.ac b/configure.ac
index 07d728a78..1b8a6fc8b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1776,12 +1776,13 @@ AC_ARG_ENABLE([build-timestamp],
         BUILD_TIMESTAMP=`date -u +%Y-%m-%dT%H:%M+0000 2>/dev/null || date`
       else
         BUILD_TIMESTAMP="$enableval"
-      fi],
-     [BUILD_TIMESTAMP="<none>"])
+      fi
+      BUILD_HOSTNAME="$ac_hostname"],
+     [BUILD_TIMESTAMP="<none>"
+      BUILD_HOSTNAME="<anon>"])
 AC_SUBST(BUILD_TIMESTAMP)
 AC_DEFINE_UNQUOTED(BUILD_TIMESTAMP, "$BUILD_TIMESTAMP",
                    [The time this package was configured for a build])
-BUILD_HOSTNAME="$ac_hostname"
 AC_SUBST(BUILD_HOSTNAME)