diff --git a/extensions-builtin/forge_legacy_preprocessors/legacy_preprocessors/preprocessor_compiled.py b/extensions-builtin/forge_legacy_preprocessors/legacy_preprocessors/preprocessor_compiled.py
index 72af38d6..3b7f2850 100644
--- a/extensions-builtin/forge_legacy_preprocessors/legacy_preprocessors/preprocessor_compiled.py
+++ b/extensions-builtin/forge_legacy_preprocessors/legacy_preprocessors/preprocessor_compiled.py
@@ -114,7 +114,7 @@ legacy_preprocessors = {
         "label": "densepose (pruple bg & purple torso)",
         "call_function": functools.partial(densepose, cmap="viridis"),
         "unload_function": unload_densepose,
-        "managed_model": None,
+        "managed_model": "unknown",
         "model_free": False,
         "no_control_mode": False,
         "resolution": {
@@ -135,7 +135,7 @@ legacy_preprocessors = {
         "label": "densepose_parula (black bg & blue torso)",
         "call_function": functools.partial(densepose, cmap="parula"),
         "unload_function": unload_densepose,
-        "managed_model": None,
+        "managed_model": "unknown",
         "model_free": False,
         "no_control_mode": False,
         "resolution": {
@@ -381,7 +381,7 @@ legacy_preprocessors = {
         "label": "instant_id_face_keypoints",
         "call_function": functools.partial(g_insight_face_instant_id_model.run_model_instant_id, return_keypoints=True),
         "unload_function": None,
-        "managed_model": None,
+        "managed_model": "unknown",
         "model_free": False,
         "no_control_mode": False,
         "resolution": None,
@@ -397,7 +397,7 @@ legacy_preprocessors = {
         "label": "ip-adapter_clip_sd15",
         "call_function": functools.partial(clip, config='clip_h'),
         "unload_function": functools.partial(unload_clip, config='clip_h'),
-        "managed_model": None,
+        "managed_model": "unknown",
         "model_free": False,
         "no_control_mode": True,
         "resolution": None,
@@ -413,7 +413,7 @@ legacy_preprocessors = {
         "label": "ip-adapter_clip_sdxl",
         "call_function": functools.partial(clip, config='clip_g'),
         "unload_function": functools.partial(unload_clip, config='clip_g'),
-        "managed_model": None,
+        "managed_model": "unknown",
         "model_free": False,
         "no_control_mode": True,
         "resolution": None,
@@ -429,7 +429,7 @@ legacy_preprocessors = {
         "label": "ip-adapter_clip_sdxl_plus_vith",
         "call_function": functools.partial(clip, config='clip_h'),
         "unload_function": functools.partial(unload_clip, config='clip_h'),
-        "managed_model": None,
+        "managed_model": "unknown",
         "model_free": False,
         "no_control_mode": True,
         "resolution": None,
@@ -461,7 +461,7 @@ legacy_preprocessors = {
         "label": "ip-adapter_face_id_plus",
         "call_function": face_id_plus,
         "unload_function": functools.partial(unload_clip, config='clip_h'),
-        "managed_model": None,
+        "managed_model": "unknown",
         "model_free": False,
         "no_control_mode": True,
         "resolution": None,
@@ -637,7 +637,7 @@ legacy_preprocessors = {
         "label": "normal_midas",
         "call_function": midas_normal,
         "unload_function": unload_midas,
-        "managed_model": None,
+        "managed_model": "model_midas",
         "model_free": False,
         "no_control_mode": False,
         "resolution": {
@@ -1197,7 +1197,7 @@ legacy_preprocessors = {
         "label": "t2ia_style_clipvision",
         "call_function": functools.partial(clip, config='clip_vitl'),
         "unload_function": functools.partial(unload_clip, config='clip_vitl'),
-        "managed_model": None,
+        "managed_model": "unknown",
         "model_free": False,
         "no_control_mode": True,
         "resolution": None,