diff --git a/poky/meta/recipes-devtools/flex/flex_2.6.4.bb b/poky/meta/recipes-devtools/flex/flex_2.6.4.bb
index 1ac88d6..f7d4ef1 100644
--- a/poky/meta/recipes-devtools/flex/flex_2.6.4.bb
+++ b/poky/meta/recipes-devtools/flex/flex_2.6.4.bb
@@ -68,6 +68,7 @@
 	sed -e 's,--sysroot=${STAGING_DIR_TARGET},,g' \
 	    -e 's|${DEBUG_PREFIX_MAP}||g' \
 	    -e 's:${HOSTTOOLS_DIR}/::g' \
+	    -e 's:\(^LDFLAGS_FOR_BUILD =\).*:\1:g' \
 	    -e 's:${RECIPE_SYSROOT_NATIVE}::g' \
 	    -e 's:${BASE_WORKDIR}/${MULTIMACH_TARGET_SYS}::g' \-e 's/^Makefile:/_Makefile:/' \
 	    -e 's/^srcdir = \(.*\)/srcdir = ./' -e 's/^top_srcdir = \(.*\)/top_srcdir = ./' \