diff --git a/src/ert/config/gen_kw_config.py b/src/ert/config/gen_kw_config.py
index e7b9124d22c..0565f53ff96 100644
--- a/src/ert/config/gen_kw_config.py
+++ b/src/ert/config/gen_kw_config.py
@@ -332,8 +332,23 @@ def write_to_runpath(
                 f" is of size {len(self.transform_functions)}, expected {array.size}"
             )
 
+        def parse_value(value: float | int | str) -> float | int | str:
+            if isinstance(value, float | int):
+                return value
+            try:
+                return int(value)
+            except ValueError:
+                try:
+                    return float(value)
+                except ValueError:
+                    return value
+
         data = dict(
-            zip(array["names"].values.tolist(), array.values.tolist(), strict=False)
+            zip(
+                array["names"].values.tolist(),
+                [parse_value(i) for i in array.values],
+                strict=False,
+            )
         )
 
         log10_data = {
@@ -358,7 +373,6 @@ def write_to_runpath(
                 template = template.replace(f"<{key}>", f"{value:.6g}")
             with open(run_path / target_file, "w", encoding="utf-8") as f:
                 f.write(template)
-
         if log10_data:
             return {self.name: data, f"LOG10_{self.name}": log10_data}
         else:
diff --git a/src/ert/enkf_main.py b/src/ert/enkf_main.py
index 78b04a9e7f2..73114a7c8e9 100644
--- a/src/ert/enkf_main.py
+++ b/src/ert/enkf_main.py
@@ -65,24 +65,9 @@ def _value_export_json(
     if len(values) == 0:
         return
 
-    def parse_value(value: float | int | str) -> float | int | str:
-        if isinstance(value, float | int):
-            return value
-        try:
-            return int(value)
-        except ValueError:
-            try:
-                return float(value)
-            except ValueError:
-                return value
-
     # Hierarchical
-    json_out: dict[str, float | dict[str, float | int | str]] = {
-        key: {
-            inner_key: parse_value(inner_value)
-            for inner_key, inner_value in param_map.items()
-        }
-        for key, param_map in values.items()
+    json_out: dict[str, float | dict[str, float]] = {
+        key: dict(param_map.items()) for key, param_map in values.items()
     }
 
     # Disallow NaN from being written: ERT produces the parameters and the only