diff --git a/debian/control b/debian/control
index b74bfd5e..2d057470 100644
--- a/debian/control
+++ b/debian/control
@@ -12,7 +12,7 @@ Build-Depends: debhelper (>= 9.0), cmake, chrpath, texinfo, sharutils,
     lcov, procps, help2man, zlib1g-dev,
     g++-multilib [amd64 i386 kfreebsd-amd64 mips mips64 mips64el mipsel powerpc ppc64 s390 s390x sparc sparc64 x32],
     libjs-mathjax,
-    doxygen, gfortran
+    doxygen, gfortran,
     ocaml-nox [amd64 arm64 armel armhf i386 ppc64el s390x],
     ocaml-findlib [amd64 arm64 armel armhf i386 ppc64el s390x],
     libctypes-ocaml-dev [amd64 arm64 armel armhf i386 ppc64el s390x],