diff --git a/package/praenti/openmotif/openmotif.conf b/package/praenti/openmotif/openmotif.conf
index 07873c48b..bc857f4d7 100644
--- a/package/praenti/openmotif/openmotif.conf
+++ b/package/praenti/openmotif/openmotif.conf
@@ -23,6 +23,9 @@
 build_motif() {
 	patch -p1 < ${confdir}/Imakefile-openmotif-2.1.30.diff
 
+	echo "#undef  LinuxCLibMajorVersion" >> config/cf/site.def
+	echo "#define  LinuxCLibMajorVersion 6" >> config/cf/site.def
+
 	mkdir -p imports/x11
 	ln -vs $root/usr/X11R6/bin imports/x11/bin
 	ln -vs $root/usr/X11R6/include imports/x11/include