diff --git a/meta-oe/recipes-support/tomoyo-tools/tomoyo-tools_2.5.0.bb b/meta-oe/recipes-support/tomoyo-tools/tomoyo-tools_2.5.0.bb
index adb538b7b4..ac8593cb67 100644
--- a/meta-oe/recipes-support/tomoyo-tools/tomoyo-tools_2.5.0.bb
+++ b/meta-oe/recipes-support/tomoyo-tools/tomoyo-tools_2.5.0.bb
@@ -18,7 +18,8 @@ FILES_${PN}     += "${libdir}/tomoyo"
 FILES_${PN}-dbg += "${libdir}/tomoyo/.debug"
 
 DEPENDS = "linux-libc-headers ncurses"
-CFLAGS_append += "-D_GNU_SOURCE"
+
+EXTRA_OEMAKE = "-e USRLIBDIR=${libdir}"
 
 do_compile () {
 	oe_runmake 'CC=${CC}'