diff --git a/package.nix b/package.nix
index d8d2237..012a270 100644
--- a/package.nix
+++ b/package.nix
@@ -85,7 +85,7 @@ in
 
     preFixup = ''
       gappsWrapperArgs+=(
-        --add-flags '--name "''${MOZ_APP_LAUNCHER:-${binaryName}}"'
+        --add-flags "--name=''${MOZ_APP_LAUNCHER:-${binaryName}}"
       )
     '';