diff --git a/ppx/browser/dune b/ppx/browser/dune
index da716d4..c6189e7 100644
--- a/ppx/browser/dune
+++ b/ppx/browser/dune
@@ -3,7 +3,7 @@
  (name ppx_deriving_json_js)
  (modules :standard \ ppx_deriving_json_runtime ppx_deriving_json_js_test)
  (libraries ppxlib)
- (ppx_runtime_libraries melange-json.ppx-runtime)
+ (ppx_runtime_libraries melange-json melange-json.ppx-runtime)
  (preprocess
   (pps ppxlib.metaquot))
  (kind ppx_deriver))
diff --git a/ppx/test/poly.t b/ppx/test/poly.t
index 7159512..7944a84 100644
--- a/ppx/test/poly.t
+++ b/ppx/test/poly.t
@@ -303,11 +303,8 @@ We can extend aliased polyvariants:
   ["A"]
   ["C"]
   === stdout:js ===
-  File ".lib.objs/melange/_unknown_", line 1, characters 0-0:
-  melc: internal error, uncaught exception:
-        Not_found
-        
-  [1]
+  ["A"]
+  ["C"]
 
 We can extend poly variants which are placed behind signatures:
   $ echo '
@@ -522,8 +519,5 @@ We can extend poly variants which are placed behind signatures:
   ["A"]
   ["C"]
   === stdout:js ===
-  File ".lib.objs/melange/_unknown_", line 1, characters 0-0:
-  melc: internal error, uncaught exception:
-        Not_found
-        
-  [1]
+  ["A"]
+  ["C"]