diff --git a/crates/fj-core/src/algorithms/approx/mod.rs b/crates/fj-core/src/algorithms/approx/mod.rs
index 25e4243f3..7d306228a 100644
--- a/crates/fj-core/src/algorithms/approx/mod.rs
+++ b/crates/fj-core/src/algorithms/approx/mod.rs
@@ -6,7 +6,6 @@ pub mod half_edge;
 pub mod shell;
 pub mod sketch;
 pub mod solid;
-pub mod tolerance;
 
 mod circle;
 mod curve;
@@ -25,10 +24,8 @@ use vertex::VertexApproxCache;
 
 use crate::geometry::Geometry;
 
-pub use self::{
-    circle::PathApproxParams,
-    tolerance::{InvalidTolerance, Tolerance},
-};
+pub use self::circle::PathApproxParams;
+pub use crate::geometry::{InvalidTolerance, Tolerance};
 
 /// Approximate an object
 pub trait Approx: Sized {
diff --git a/crates/fj-core/src/geometry/mod.rs b/crates/fj-core/src/geometry/mod.rs
index 819b5da12..dd02a6bc9 100644
--- a/crates/fj-core/src/geometry/mod.rs
+++ b/crates/fj-core/src/geometry/mod.rs
@@ -5,6 +5,7 @@ mod curve;
 mod geometry;
 mod path;
 mod surface;
+mod tolerance;
 mod vertex;
 
 pub use self::{
@@ -13,5 +14,6 @@ pub use self::{
     geometry::Geometry,
     path::Path,
     surface::SurfaceGeom,
+    tolerance::{InvalidTolerance, Tolerance},
     vertex::{LocalVertexGeom, VertexGeom},
 };
diff --git a/crates/fj-core/src/algorithms/approx/tolerance.rs b/crates/fj-core/src/geometry/tolerance.rs
similarity index 100%
rename from crates/fj-core/src/algorithms/approx/tolerance.rs
rename to crates/fj-core/src/geometry/tolerance.rs