diff --git a/experimental/FTheoryTools/src/AbstractFTheoryModels/attributes.jl b/experimental/FTheoryTools/src/AbstractFTheoryModels/attributes.jl
index a76cdec1c4a8..71645ef9318f 100644
--- a/experimental/FTheoryTools/src/AbstractFTheoryModels/attributes.jl
+++ b/experimental/FTheoryTools/src/AbstractFTheoryModels/attributes.jl
@@ -1152,7 +1152,7 @@ function chern_class_c1(m::AbstractFTheoryModel; check::Bool = true)
   # Compute and set h
   c1_t_ambient = cohomology_class(anticanonical_divisor(ambient_space(m)))
   set_attribute!(m, :chern_class_c1, c1_t_ambient - cy)
-  return c1_t_ambient - cy
+  return get_attribute(m, :chern_class_c1)
 end