diff --git a/invokeai/app/invocations/mask.py b/invokeai/app/invocations/mask.py
index fcc5b04caf..4441ebdebb 100644
--- a/invokeai/app/invocations/mask.py
+++ b/invokeai/app/invocations/mask.py
@@ -48,12 +48,15 @@ class AlphaMaskToTensorInvocation(BaseInvocation):
     """Convert a mask image to a tensor. Opaque regions are 1 and transparent regions are 0."""
 
     image: ImageField = InputField(description="The mask image to convert.")
-    invert: bool = InputField(default=False, description="Invert the mask (1s become 0s and 0s become 1s).")
+    invert: bool = InputField(default=False, description="Whether to invert the mask.")
 
     def invoke(self, context: InvocationContext) -> MaskOutput:
         image = context.images.get_pil(self.image.image_name)
         mask = torch.zeros((1, image.height, image.width), dtype=torch.bool)
-        mask[0] = torch.tensor(np.array(image)[:, :, 3] > 0, dtype=torch.bool)
+        if self.invert:
+            mask[0] = torch.tensor(np.array(image)[:, :, 3] == 0, dtype=torch.bool)
+        else:
+            mask[0] = torch.tensor(np.array(image)[:, :, 3] > 0, dtype=torch.bool)
 
         return MaskOutput(
             mask=TensorField(tensor_name=context.tensors.save(mask)), height=image.height, width=image.width