diff --git a/PKGBUILD b/PKGBUILD
index f3efd9e..2513a78 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -35,6 +35,7 @@ optdepends=('zenity: simple dialog boxes'
 install="${pkgname}.install"

 _archstr=$([[ "${CARCH}" == 'x86_64' ]] && echo -n "${_idstr64}" || echo -n "${_idstr32}")
+_urlbase="https://dist.torproject.org/torbrowser/${pkgver}"

 _localetor() {

@@ -49,8 +50,7 @@ _localetor() {
                echo -n "${TORBROWSER_PKGLANG}"
                return 0
        fi
-
-       local _urlbase="https://dist.torproject.org/torbrowser/${pkgver}/${pkgname}-${_archstr}-${pkgver}"
+        local _urlbase="${_urlbase}/${pkgname}-${_archstr}-${pkgver}"
        local _fulllocale="$(locale | grep LANG | cut -d= -f2 | cut -d. -f1 | sed s/_/\-/)"
        local _shortlocale="$(locale | grep LANG | cut -d= -f2 | cut -d_ -f1)"

@@ -68,18 +68,18 @@ validpgpkeys=('EF6E286DDA85EA2A4BA7DE684E2C6E8793298290')

 _language="$(_localetor)"

-source_i686=("https://dist.torproject.org/torbrowser/${pkgver}/${pkgname}-${_idstr32}-${pkgver}_${_language}.tar.xz"{,.asc})
-source_x86_64=("https://dist.torproject.org/torbrowser/${pkgver}/${pkgname}-${_idstr64}-${pkgver}_${_language}.tar.xz"{,.asc})
+source_i686=("${_urlbase}/${pkgname}-${_idstr32}-${pkgver}_${_language}.tar.xz"{,.asc})
+source_x86_64=("${_urlbase}/${pkgname}-${_idstr64}-${pkgver}_${_language}.tar.xz"{,.asc})
 source=("${pkgname}.desktop"
        "${pkgname}.png"
        "${pkgname}.sh")
-
+_checksum="$(curl ${_urlbase}/sha256sums-signed-build.txt | grep ${_idstr64}-${pkgver}_${_language}.tar.xz | cut -d ' ' -f1)"
 sha256sums=('9ee0a4672e2d0835ffb94bcf26e17b56432030496a9cdf019b70c96083c24340'
             'bb6b0f27c33d21e0ef6df961e25418327c5e8b01c003bbe18c0a8dae3e16d77d'
             '3a491ad1a476f2fb343f274eab4e8df925637438e6dac3591f092b3ef3294da3')
-sha256sums_i686=('49b84482a6c27971aa9b2421a5e2967c3382b4566610ab8a25d9bd1767e1bbdb'
+sha256sums_i686=(${_checksum}
                  'SKIP')
-sha256sums_x86_64=('5f334f14161952476adde3fbd843f93f647d47a0d7e30eb5d1635fb7569a2503'
+sha256sums_x86_64=(${_checksum}
                    'SKIP')

 noextract=("${pkgname}-${_idstr64}-${pkgver}_${_language}.tar.xz"