diff --git a/pkgs/applications/networking/browsers/chromium/update.sh b/pkgs/applications/networking/browsers/chromium/update.sh
index 05cc671d31c..14f3dc6bd9d 100755
--- a/pkgs/applications/networking/browsers/chromium/update.sh
+++ b/pkgs/applications/networking/browsers/chromium/update.sh
@@ -1,3 +1,4 @@
 #!/bin/sh -e
+cd "$(dirname "$0")"
 sp="$(nix-build -Q --no-out-link source/update.nix -A update)"
 cat "$sp" > source/sources.nix