diff --git a/pkgs/applications/misc/calibre/default.nix b/pkgs/applications/misc/calibre/default.nix
index 40951d5f2ab2..0ee374ac6957 100644
--- a/pkgs/applications/misc/calibre/default.nix
+++ b/pkgs/applications/misc/calibre/default.nix
@@ -41,7 +41,7 @@ mkDerivation rec {
   ++ lib.optional (!unrarSupport) ./dont_build_unrar_plugin.patch;
 
   prePatch = ''
-    sed -i "s@\[tool.sip.project\]@[tool.sip.project]\nsip-include-dirs = [\"${python3Packages.pyqt5}/share/sip/PyQt5\"]@g" \
+    sed -i "s@\[tool.sip.project\]@[tool.sip.project]\nsip-include-dirs = [\"${python3Packages.pyqt5}/${python3Packages.python.sitePackages}/PyQt5/bindings\"]@g" \
       setup/build.py
     sed -i "s/\[tool.sip.bindings.pictureflow\]/[tool.sip.bindings.pictureflow]\ntags = [\"${python3Packages.sip.platform_tag}\"]/g" \
       setup/build.py