diff --git a/bindings/c/include/manifold/manifoldc.h b/bindings/c/include/manifold/manifoldc.h
index 309caa470..ba0c74d4a 100644
--- a/bindings/c/include/manifold/manifoldc.h
+++ b/bindings/c/include/manifold/manifoldc.h
@@ -354,6 +354,7 @@ int manifold_box_is_finite(ManifoldBox *b);
 void manifold_set_min_circular_angle(double degrees);
 void manifold_set_min_circular_edge_length(double length);
 void manifold_set_circular_segments(int number);
+void manifold_reset_to_circular_defaults();
 
 // Manifold Mesh Extraction
 
diff --git a/bindings/c/manifoldc.cpp b/bindings/c/manifoldc.cpp
index ec8b694d3..fd52b88da 100644
--- a/bindings/c/manifoldc.cpp
+++ b/bindings/c/manifoldc.cpp
@@ -583,6 +583,8 @@ int manifold_get_circular_segments(double radius) {
   return Quality::GetCircularSegments(radius);
 }
 
+void manifold_reset_to_circular_defaults() { Quality::ResetToDefaults(); }
+
 // memory size
 size_t manifold_cross_section_size() { return sizeof(CrossSection); }
 size_t manifold_cross_section_vec_size() {