diff --git a/src/zimlib/src/config.h.in b/src/zimlib/src/config.h.in
index 6c511fc..fb370b9 100644
--- a/src/zimlib/src/config.h.in
+++ b/src/zimlib/src/config.h.in
@@ -48,6 +48,10 @@
 /* Define to 1 if you have the <unistd.h> header file. */
 #undef HAVE_UNISTD_H
 
+/* Define to the sub-directory in which libtool stores uninstalled libraries.
+   */
+#undef LT_OBJDIR
+
 /* Name of package */
 #undef PACKAGE
 
@@ -63,6 +67,9 @@
 /* Define to the one symbol short name of this package. */
 #undef PACKAGE_TARNAME
 
+/* Define to the home page for this package. */
+#undef PACKAGE_URL
+
 /* Define to the version of this package. */
 #undef PACKAGE_VERSION