diff --git a/extra/firefox/sources b/extra/firefox/sources
index 0dcfef14..f64de68b 100644
--- a/extra/firefox/sources
+++ b/extra/firefox/sources
@@ -1,4 +1,4 @@
 https://ftp.mozilla.org/pub/firefox/releases/VERSION/source/firefox-VERSION.source.tar.xz
 https://ftp.gnu.org/gnu/autoconf/autoconf-2.13.tar.gz autoconf2.13/
-https://www.tortall.net/projects/yasm/releases/yasm-1.3.0.tar.gz yasm/
+https://github.com/yasm/yasm/releases/download/v1.3.0/yasm-1.3.0.tar.gz yasm
 patches/no-x11.patch