diff -Nru mathgl-2.4.2.1/debian/changelog mathgl-2.4.2.1/debian/changelog
--- mathgl-2.4.2.1/debian/changelog	2018-12-04 15:58:19.000000000 +0000
+++ mathgl-2.4.2.1/debian/changelog	2018-12-20 02:34:35.000000000 +0000
@@ -1,3 +1,9 @@
+mathgl (2.4.2.1-5+rpi1) buster-staging; urgency=medium
+
+  * Don't use qtwebengine on armhf, we don't have it in raspbian.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Thu, 20 Dec 2018 02:34:35 +0000
+
 mathgl (2.4.2.1-5) unstable; urgency=medium
 
   * Try to fix FTBFS on mips and mipsel arches (Closes: #915506)
diff -Nru mathgl-2.4.2.1/debian/control mathgl-2.4.2.1/debian/control
--- mathgl-2.4.2.1/debian/control	2018-11-25 20:33:18.000000000 +0000
+++ mathgl-2.4.2.1/debian/control	2018-12-20 02:34:22.000000000 +0000
@@ -7,7 +7,7 @@
 Build-Depends: debhelper (>= 11), libltdl-dev, libgsl-dev, freeglut3-dev,
  libgl1-mesa-dev | libgl-dev, libpng-dev, libhdf5-dev, libqt5opengl5-dev,
  libjpeg-dev, libtiff-dev, libfltk1.3-dev, 
- qtwebengine5-dev [amd64 arm64 armhf i386 mipsel], libwxgtk3.0-dev,
+ qtwebengine5-dev [amd64 arm64 i386 mipsel], libwxgtk3.0-dev,
  texinfo, texlive, texlive-generic-recommended, liblua5.1-dev, libxcursor-dev,
  libgif-dev, python3-dev, python3-numpy, libfontconfig1-dev, libqt5webkit5-dev,
  libhdf4-dev, chrpath, libxinerama-dev, libxmu-dev, libxi-dev, libhpdf-dev,