diff --git a/packaging/debian/control.template b/packaging/debian/control.template
index 306b322..3675fec 100644
--- a/packaging/debian/control.template
+++ b/packaging/debian/control.template
@@ -4,7 +4,7 @@ Section: misc
 Priority: optional
 Architecture: amd64
 Maintainer: Ekklesia
-Depends: pkexec, polkit-kde-agent-1, plasma-desktop, plasma-workspace, kwin-wayland, plasma-nm, plasma-pa, plasma-widgets-addons, konsole, sddm, dbus-user-session, xwayland, fonts-dejavu, fonts-noto, network-manager, pipewire, pipewire-audio, wireplumber, pulseaudio-utils, cups, cups-client, cups-filters, foomatic-db-compressed-ppds, python3-gi, python3-gi-cairo, gir1.2-gtk-3.0, gir1.2-gtklayershell-0.1, libnotify-bin, curl, gnupg, ca-certificates, python3-paho-mqtt, python3-pyqt6.qtwebengine, python3-pyqt6, libreoffice-impress, libreoffice-core, poppler-utils, fonts-liberation2, fonts-liberation-sans-narrow, fonts-croscore, fonts-crosextra-carlito, fonts-crosextra-caladea, fonts-urw-base35, fonts-roboto, fonts-open-sans, fonts-lato, fonts-montserrat, fonts-noto-extra
+Depends: pkexec, polkit-kde-agent-1, plasma-desktop, plasma-workspace, kwin-wayland, plasma-nm, plasma-pa, plasma-widgets-addons, konsole, sddm, dbus-user-session, xwayland, fonts-dejavu, fonts-noto, network-manager, pipewire, pipewire-audio, wireplumber, pulseaudio-utils, cups, cups-client, cups-filters, foomatic-db-compressed-ppds, python3-gi, python3-gi-cairo, gir1.2-gtk-3.0, gir1.2-gtklayershell-0.1, libnotify-bin, curl, gnupg, ca-certificates, python3-paho-mqtt, python3-pyqt6.qtwebengine, python3-pyqt6, libreoffice-impress, libreoffice-core, poppler-utils, fonts-liberation, fonts-liberation-sans-narrow, fonts-croscore, fonts-crosextra-carlito, fonts-crosextra-caladea, fonts-urw-base35, fonts-roboto, fonts-open-sans, fonts-lato, fonts-montserrat, fonts-noto-extra
 Recommends: vlc
 Conflicts: plasma-welcome, plasma-discover, kdeconnect, kup-backup
 Description: Ekklesia managed classroom environment
diff --git a/tools/validate-trixie-release.sh b/tools/validate-trixie-release.sh
index 4f3998d..1a4ccfb 100755
--- a/tools/validate-trixie-release.sh
+++ b/tools/validate-trixie-release.sh
@@ -274,10 +274,18 @@ text = library.first_text("/tmp/deck/slides.pdf", pages=2)
 assert "Session 7" in text, f"text did not survive the conversion: {text!r}"
 CONVERT_CHECK
 
-# The fonts a Google Slides export asks for, by their real names.
-fc-list 2>/dev/null | grep -qi 'Liberation Sans'
-fc-list 2>/dev/null | grep -qi 'Carlito'
-fc-list 2>/dev/null | grep -qi 'Caladea'
+# The fonts a Google Slides export asks for, as files on disk.
+#
+# Asserted by path rather than through fc-list: fc-list belongs to the
+# fontconfig package, which nothing here pulls in, so the check passed
+# vacuously until it didn't and then failed for a reason that had nothing
+# to do with the fonts. What LibreOffice actually needs is the file.
+[[ -f /usr/share/fonts/truetype/liberation/LiberationSans-Regular.ttf ]]
+[[ -f /usr/share/fonts/truetype/liberation/LiberationSerif-Regular.ttf ]]
+[[ -f /usr/share/fonts/truetype/liberation/LiberationSansNarrow-Regular.ttf ]]
+[[ -f /usr/share/fonts/truetype/crosextra/Carlito-Regular.ttf ]]
+[[ -f /usr/share/fonts/truetype/crosextra/Caladea-Regular.ttf ]]
+[[ -f /usr/share/fonts/truetype/croscore/Arimo-Regular.ttf ]]
 # And the one that must NOT be here, because it prompts for a licence.
 ! dpkg -l ttf-mscorefonts-installer 2>/dev/null | grep -q '^ii'