diff --git a/invokeai/app/services/model_install/model_install_common.py b/invokeai/app/services/model_install/model_install_common.py
index 13ba8ad9b7..4dbd1ef1c1 100644
--- a/invokeai/app/services/model_install/model_install_common.py
+++ b/invokeai/app/services/model_install/model_install_common.py
@@ -103,7 +103,7 @@ class HFModelSource(StringLikeSource):
         if self.variant:
             base += f":{self.variant or ''}"
         if self.subfolder:
-            base += f"::{self.subfolder}"
+            base += f"::{self.subfolder.as_posix()}"
         return base