diff --git a/crates/fj-kernel/src/algorithms/sweep.rs b/crates/fj-kernel/src/algorithms/sweep.rs
index 0f6cf3f50..d4ad4efcf 100644
--- a/crates/fj-kernel/src/algorithms/sweep.rs
+++ b/crates/fj-kernel/src/algorithms/sweep.rs
@@ -12,7 +12,7 @@ use super::{CycleApprox, Tolerance};
 
 /// Create a solid by sweeping a sketch
 pub fn sweep(
-    source: Shape,
+    source: Vec<Face>,
     path: impl Into<Vector<3>>,
     tolerance: Tolerance,
     color: [u8; 4],
@@ -455,11 +455,13 @@ mod tests {
 
         let mut shape = Shape::new();
 
-        let _sketch = Face::builder(Surface::xy_plane(), &mut shape)
+        let sketch = Face::builder(Surface::xy_plane(), &mut shape)
             .with_exterior_polygon([[0., 0.], [1., 0.], [0., 1.]])
-            .build();
+            .build()
+            .get();
 
-        let solid = super::sweep(shape, direction, tolerance, [255, 0, 0, 255]);
+        let solid =
+            super::sweep(vec![sketch], direction, tolerance, [255, 0, 0, 255]);
 
         let expected_vertices: Vec<_> = expected_vertices
             .into_iter()
diff --git a/crates/fj-operations/src/sweep.rs b/crates/fj-operations/src/sweep.rs
index b06b2e7b9..af541b2a7 100644
--- a/crates/fj-operations/src/sweep.rs
+++ b/crates/fj-operations/src/sweep.rs
@@ -1,6 +1,7 @@
 use fj_interop::debug::DebugInfo;
 use fj_kernel::{
     algorithms::{sweep, Tolerance},
+    iter::ObjectIters,
     shape::Shape,
     validation::{validate, Validated, ValidationConfig, ValidationError},
 };
@@ -19,7 +20,8 @@ impl ToShape for fj::Sweep {
         let path = Vector::from(self.path());
         let color = self.shape().color();
 
-        let swept = sweep(shape.into_inner(), path, tolerance, color);
+        let shape = shape.face_iter().collect::<Vec<_>>();
+        let swept = sweep(shape, path, tolerance, color);
         let swept = validate(swept, config)?;
 
         Ok(swept)