diff --git a/fix-firefox.nix b/fix-firefox.nix
index eb32593..a9a0ea1 100644
--- a/fix-firefox.nix
+++ b/fix-firefox.nix
@@ -11,7 +11,7 @@
         mkdir -p $out
         cp -ra ${firefox-unwrapped}/. $out/.
         chmod +w -R $out
-        sed -i "s|${firefox-unwrapped}|$out|" $out/bin/firefox
+        sed -i "s|${firefox-unwrapped}|$out|g" $out/bin/firefox
         sed -i 's/reserved="true"/               /g' $out/lib/firefox/browser/omni.ja
       '';