diff --git a/tex/characteristic-curves.tex b/tex/characteristic-curves.tex
index e3a9a00d4c82ba5c0dc57ae8526db491848f4340..a9d643196cbecf44d86ff72fd0d5493793188bd5 100644
--- a/tex/characteristic-curves.tex
+++ b/tex/characteristic-curves.tex
@@ -99,7 +99,7 @@ degenerate_characteristic_curves
 \label{subsubsect:rank-zero-case-charact-curves}
 
 \begin{sagesilent}
-from rank_zero_case import Theta_v_plot
+from rank_zero_case_curves import Theta_v_plot
 \end{sagesilent}
 
 \begin{fact}[Geometry of Characteristic Curves in Rank 0 Case]