diff --git a/src/diffusers/pipelines/__init__.py b/src/diffusers/pipelines/__init__.py
index 0f585b5de9..af300205ba 100644
--- a/src/diffusers/pipelines/__init__.py
+++ b/src/diffusers/pipelines/__init__.py
@@ -574,6 +574,7 @@ if TYPE_CHECKING or DIFFUSERS_SLOW_IMPORT:
             StableDiffusionPanoramaPipeline,
             StableDiffusionParadigmsPipeline,
             StableDiffusionPix2PixZeroPipeline,
+            StableDiffusionLDM3DPipeline,
             StableDiffusionXLControlNetXSPipeline,
             UnCLIPImageVariationPipeline,
             UnCLIPPipeline,