diff --git a/gnu/packages/ebook.scm b/gnu/packages/ebook.scm
index 8e6f2bbc09..0ec7a1db91 100644
--- a/gnu/packages/ebook.scm
+++ b/gnu/packages/ebook.scm
@@ -245,9 +245,8 @@ (define-public calibre
                 (("\\[tool.sip.project\\]")
                  (string-append "[tool.sip.project]
 sip-include-dirs = [\""
-                                #$(this-package-input
-                                   "python-pyqt")
-                                "/share/sip\"]")))
+                   #$(this-package-input "python-pyqt")
+                   "/lib/python3.10/site-packages/PyQt5/bindings\"]")))
               (substitute* "src/calibre/ebooks/pdf/pdftohtml.py"
                 (("PDFTOHTML = 'pdftohtml'")
                  (string-append "PDFTOHTML = \""