diff --git a/gnu/packages/embedded.scm b/gnu/packages/embedded.scm
index 6ac1a2d7f3..8b40990ec1 100644
--- a/gnu/packages/embedded.scm
+++ b/gnu/packages/embedded.scm
@@ -1073,8 +1073,7 @@ (define-public python-libmpsse
                (chdir "src")
                (setenv "PYDEV" (string-append python
                                "/include/python"
-                               ,(version-major+minor (package-version python))
-                               "m"))
+                               ,(version-major+minor (package-version python))))
                #t)))
          (replace 'install
            (lambda* (#:key inputs outputs make-flags #:allow-other-keys #:rest args)