diff --git a/nix/configurations/vanadium.nix b/nix/configurations/vanadium.nix
index 34d0cf10..9b643a45 100644
--- a/nix/configurations/vanadium.nix
+++ b/nix/configurations/vanadium.nix
@@ -50,6 +50,7 @@ in
             ../overlays/wallpapers.nix
             ../overlays/nil.nix
             ../overlays/eepy.nix
+            ../overlays/calibre-no-mime.nix
             ../overlays/fcitx5-table-extra-taiwanese.nix
 
             ../overlays/iosevka.nix
diff --git a/nix/overlays/calibre-no-mime.nix b/nix/overlays/calibre-no-mime.nix
new file mode 100644
index 00000000..2a006f68
--- /dev/null
+++ b/nix/overlays/calibre-no-mime.nix
@@ -0,0 +1,8 @@
+# cailbre is obnoxious about opening HTML
+_: prev: {
+  calibre = prev.calibre.overrideAttrs (oldAttrs: {
+    postInstall = ''
+      rm -r $out/share/mime
+    '';
+  });
+}