diff --git a/pkgs/development/php-packages/couchbase/default.nix b/pkgs/development/php-packages/couchbase/default.nix
index 3566c7916e55..24d4e02a3286 100644
--- a/pkgs/development/php-packages/couchbase/default.nix
+++ b/pkgs/development/php-packages/couchbase/default.nix
@@ -17,7 +17,7 @@ buildPecl {
   broken = lib.versionAtLeast php.version "8.0";
 
   buildInputs = [ libcouchbase zlib ];
-  internalDeps = [] ++ lib.optionals (lib.versionOlder php.version "8.0") [ php.extensions.json ];
+  internalDeps = lib.optionals (lib.versionOlder php.version "8.0") [ php.extensions.json ];
   peclDeps = [ php.extensions.igbinary ];
 
   patches = [