diff --git a/runtime/wasm/bigarray.wat b/runtime/wasm/bigarray.wat
index 9a0f4d8a36..8a77889299 100644
--- a/runtime/wasm/bigarray.wat
+++ b/runtime/wasm/bigarray.wat
@@ -986,8 +986,10 @@
                       (struct.get $bigarray $ba_kind (local.get $ba))))
                    ;; float16
                    (call $ta_set_f16 (local.get $data) (local.get $i)
-                      (struct.get $float 0
-                         (ref.cast (ref $float) (local.get $v))))
+                      (call $float16_to_double
+                         (call $double_to_float16
+                            (struct.get $float 0
+                               (ref.cast (ref $float) (local.get $v))))))
                    (return))
                  ;; complex64
                  (local.set $i (i32.shl (local.get $i) (i32.const 1)))
diff --git a/tools/node_wrapper.ml b/tools/node_wrapper.ml
index 515c0939d8..6cb569e4bc 100644
--- a/tools/node_wrapper.ml
+++ b/tools/node_wrapper.ml
@@ -2,7 +2,6 @@ let extra_args_for_wasoo =
   [ "--experimental-wasm-imported-strings"
   ; "--experimental-wasm-stack-switching"
   ; "--stack-size=10000"
-  ; "--js-float16array"
   ]
 
 let env = Unix.environment ()