diff --git a/BaseBuild/crosschain/glibc b/BaseBuild/crosschain/glibc
index 27dc570..ae195b3 100644
--- a/BaseBuild/crosschain/glibc
+++ b/BaseBuild/crosschain/glibc
@@ -76,6 +76,7 @@ SRCPATH=Base/lib
 
 premk() {
 	ARCH=`echo $TARGET|cut -d"-" -f 1`
+	ARCH32=`echo $TARGET32|cut -d"-" -f 1`
 	SrcPatch $MAKEDIR/glibc* $LFSSOURCE/$SRCPATH/glibc-*-libgcc_eh*
 	SrcPatch $MAKEDIR/glibc* $LFSSOURCE/$SRCPATH/glibc-*-localedef_segfault*
 	mkdir ../build-glibc
@@ -100,6 +101,7 @@ mk32() {
 			    --with-binutils=/cross-tools/bin \
 			    --with-headers=/tools/include \
 			    --cache-file=config.cache
+	echo "CFLAGS += -march=$ARCH32" >configparms
 	make -j $NUMCPU
 	make -j $NUMCPU install
 	cd ../glibc*
@@ -134,6 +136,7 @@ mk() {
 			    --with-binutils=/cross-tools/bin \
 			    --with-headers=/tools/include \
 			    --cache-file=config.cache
+	echo "CFLAGS += -march=$ARCH" >configparms
 	make -j $NUMCPU
 	make -j $NUMCPU install
 }