diff --git a/comfy_extras/nodes_model_patch.py b/comfy_extras/nodes_model_patch.py
index fdd5d0d3f..2a0cfcf18 100644
--- a/comfy_extras/nodes_model_patch.py
+++ b/comfy_extras/nodes_model_patch.py
@@ -313,22 +313,46 @@ class ZImageControlPatch:
         self.inpaint_image = inpaint_image
         self.mask = mask
         self.strength = strength
-        self.encoded_image = self.encode_latent_cond(image)
-        self.encoded_image_size = (image.shape[1], image.shape[2])
+        self.is_inpaint = self.model_patch.model.additional_in_dim > 0
+
+        skip_encoding = False
+        if self.image is not None and self.inpaint_image is not None:
+            if self.image.shape != self.inpaint_image.shape:
+                skip_encoding = True
+
+        if skip_encoding:
+            self.encoded_image = None
+        else:
+            self.encoded_image = self.encode_latent_cond(self.image, self.inpaint_image)
+            if self.image is None:
+                self.encoded_image_size = (self.inpaint_image.shape[1], self.inpaint_image.shape[2])
+            else:
+                self.encoded_image_size = (self.image.shape[1], self.image.shape[2])
         self.temp_data = None
 
-    def encode_latent_cond(self, control_image, inpaint_image=None):
-        latent_image = comfy.latent_formats.Flux().process_in(self.vae.encode(control_image))
-        if self.model_patch.model.additional_in_dim > 0:
-            if self.mask is None:
-                mask_ = torch.zeros_like(latent_image)[:, :1]
-            else:
-                mask_ = comfy.utils.common_upscale(self.mask.mean(dim=1, keepdim=True), latent_image.shape[-1], latent_image.shape[-2], "bilinear", "none")
+    def encode_latent_cond(self, control_image=None, inpaint_image=None):
+        latent_image = None
+        if control_image is not None:
+            latent_image = comfy.latent_formats.Flux().process_in(self.vae.encode(control_image))
+
+        if self.is_inpaint:
             if inpaint_image is None:
                 inpaint_image = torch.ones_like(control_image) * 0.5
 
+            if self.mask is not None:
+                mask_inpaint = comfy.utils.common_upscale(self.mask.view(self.mask.shape[0], -1, self.mask.shape[-2], self.mask.shape[-1]).mean(dim=1, keepdim=True), inpaint_image.shape[-2], inpaint_image.shape[-3], "bilinear", "center")
+                inpaint_image = ((inpaint_image - 0.5) * mask_inpaint.movedim(1, -1).round()) + 0.5
+
             inpaint_image_latent = comfy.latent_formats.Flux().process_in(self.vae.encode(inpaint_image))
 
+            if self.mask is None:
+                mask_ = torch.zeros_like(inpaint_image_latent)[:, :1]
+            else:
+                mask_ = comfy.utils.common_upscale(self.mask.view(self.mask.shape[0], -1, self.mask.shape[-2], self.mask.shape[-1]).mean(dim=1, keepdim=True), inpaint_image_latent.shape[-1], inpaint_image_latent.shape[-2], "nearest", "center")
+
+            if latent_image is None:
+                latent_image = comfy.latent_formats.Flux().process_in(self.vae.encode(torch.ones_like(inpaint_image) * 0.5))
+
             return torch.cat([latent_image, mask_, inpaint_image_latent], dim=1)
         else:
             return latent_image
@@ -344,13 +368,18 @@ class ZImageControlPatch:
         block_type = kwargs.get("block_type", "")
         spacial_compression = self.vae.spacial_compression_encode()
         if self.encoded_image is None or self.encoded_image_size != (x.shape[-2] * spacial_compression, x.shape[-1] * spacial_compression):
-            image_scaled = comfy.utils.common_upscale(self.image.movedim(-1, 1), x.shape[-1] * spacial_compression, x.shape[-2] * spacial_compression, "area", "center")
+            image_scaled = None
+            if self.image is not None:
+                image_scaled = comfy.utils.common_upscale(self.image.movedim(-1, 1), x.shape[-1] * spacial_compression, x.shape[-2] * spacial_compression, "area", "center").movedim(1, -1)
+                self.encoded_image_size = (image_scaled.shape[-3], image_scaled.shape[-2])
+
             inpaint_scaled = None
             if self.inpaint_image is not None:
                 inpaint_scaled = comfy.utils.common_upscale(self.inpaint_image.movedim(-1, 1), x.shape[-1] * spacial_compression, x.shape[-2] * spacial_compression, "area", "center").movedim(1, -1)
+                self.encoded_image_size = (inpaint_scaled.shape[-3], inpaint_scaled.shape[-2])
+
             loaded_models = comfy.model_management.loaded_models(only_currently_used=True)
-            self.encoded_image = self.encode_latent_cond(image_scaled.movedim(1, -1), inpaint_scaled)
-            self.encoded_image_size = (image_scaled.shape[-2], image_scaled.shape[-1])
+            self.encoded_image = self.encode_latent_cond(image_scaled, inpaint_scaled)
             comfy.model_management.load_models_gpu(loaded_models)
 
         cnet_blocks = self.model_patch.model.n_control_layers
@@ -391,7 +420,8 @@ class ZImageControlPatch:
 
     def to(self, device_or_dtype):
         if isinstance(device_or_dtype, torch.device):
-            self.encoded_image = self.encoded_image.to(device_or_dtype)
+            if self.encoded_image is not None:
+                self.encoded_image = self.encoded_image.to(device_or_dtype)
             self.temp_data = None
         return self
 
@@ -414,9 +444,12 @@ class QwenImageDiffsynthControlnet:
 
     CATEGORY = "advanced/loaders/qwen"
 
-    def diffsynth_controlnet(self, model, model_patch, vae, image, strength, mask=None):
+    def diffsynth_controlnet(self, model, model_patch, vae, image=None, strength=1.0, inpaint_image=None, mask=None):
         model_patched = model.clone()
-        image = image[:, :, :, :3]
+        if image is not None:
+            image = image[:, :, :, :3]
+        if inpaint_image is not None:
+            inpaint_image = inpaint_image[:, :, :, :3]
         if mask is not None:
             if mask.ndim == 3:
                 mask = mask.unsqueeze(1)
@@ -425,13 +458,24 @@ class QwenImageDiffsynthControlnet:
             mask = 1.0 - mask
 
         if isinstance(model_patch.model, comfy.ldm.lumina.controlnet.ZImage_Control):
-            patch = ZImageControlPatch(model_patch, vae, image, strength, mask=mask)
+            patch = ZImageControlPatch(model_patch, vae, image, strength, inpaint_image=inpaint_image, mask=mask)
             model_patched.set_model_noise_refiner_patch(patch)
             model_patched.set_model_double_block_patch(patch)
         else:
             model_patched.set_model_double_block_patch(DiffSynthCnetPatch(model_patch, vae, image, strength, mask))
         return (model_patched,)
 
+class ZImageFunControlnet(QwenImageDiffsynthControlnet):
+    @classmethod
+    def INPUT_TYPES(s):
+        return {"required": { "model": ("MODEL",),
+                              "model_patch": ("MODEL_PATCH",),
+                              "vae": ("VAE",),
+                              "strength": ("FLOAT", {"default": 1.0, "min": -10.0, "max": 10.0, "step": 0.01}),
+                              },
+                "optional": {"image": ("IMAGE",), "inpaint_image": ("IMAGE",), "mask": ("MASK",)}}
+
+    CATEGORY = "advanced/loaders/zimage"
 
 class UsoStyleProjectorPatch:
     def __init__(self, model_patch, encoded_image):
@@ -479,5 +523,6 @@ class USOStyleReference:
 NODE_CLASS_MAPPINGS = {
     "ModelPatchLoader": ModelPatchLoader,
     "QwenImageDiffsynthControlnet": QwenImageDiffsynthControlnet,
+    "ZImageFunControlnet": ZImageFunControlnet,
     "USOStyleReference": USOStyleReference,
 }