diff --git a/helpers/make-firefox b/helpers/make-firefox
index 590fb1d3142f995ae8c8cfaf94487788d6745485..303879eda2305116cee67a81f38e76be5fb98cbb 100644
--- a/helpers/make-firefox
+++ b/helpers/make-firefox
@@ -56,7 +56,7 @@ sed '/Google API/,$ d' debian/config/mozconfig.in -i
 
 # Disable DRM support
 echo ac_add_options --disable-eme >> debian/config/mozconfig.in
-sed '/gmp-clearkey/d' -i ./debian/abrowser.install.in
+sed '/gmp-clearkey/d' -i ./debian/firefox.install.in
 
 # Locale packages should provide firefox-locale-$LANG
 sed "s/Provides.*/Provides: firefox-locale-@LANGCODE@/" -i debian/control.langpacks