diff --git a/gnu/packages/plotutils.scm b/gnu/packages/plotutils.scm
index a1e32eb398..edd492c711 100644
--- a/gnu/packages/plotutils.scm
+++ b/gnu/packages/plotutils.scm
@@ -217,6 +217,7 @@ (define-public asymptote
        ;; For the manual and the tests.
        ("texlive" ,(texlive-union (list texlive-amsfonts
                                         texlive-epsf
+                                        texlive-etoolbox
                                         texlive-latex-base
                                         texlive-latex-geometry
                                         texlive-latex-graphics