diff --git a/chrome/installer/linux/debian/build.sh b/chrome/installer/linux/debian/build.sh
index 2de349cb12642..b7998f36ab8b0 100755
--- a/chrome/installer/linux/debian/build.sh
+++ b/chrome/installer/linux/debian/build.sh
@@ -339,7 +339,7 @@ REPOCONFIG="${REPOCONFIG-deb [arch=${ARCHITECTURE}] http://${BASEREPOCONFIG}}"
 # Allowed configs include optional HTTPS support and explicit multiarch
 # platforms.
 REPOCONFIGREGEX="deb (\\\\[arch=[^]]*\\\\b${ARCHITECTURE}\\\\b[^]]*\\\\]"
-REPOCONFIGREGEX+="[[:space:]]*)?https?://${BASEREPOCONFIG}"
+REPOCONFIGREGEX+="[[:space:]]*) https?://${BASEREPOCONFIG}"
 stage_install_debian
 
 do_package