diff --git a/BaseBuild/toolchain/zlib b/BaseBuild/toolchain/zlib
index 11c6c3e..f8e19aa 100644
--- a/BaseBuild/toolchain/zlib
+++ b/BaseBuild/toolchain/zlib
@@ -99,7 +99,9 @@ mk() {
 	./configure --prefix=/tools \
 			   $ADDOPTIONS \
 			   --shared
-	sed -i -e "s/\(linux-gnu-ar\)/\1 -rc/" Makefile
+	if [ "$MK64BIT" == "true" ]; then
+		sed -i -e "s/\(linux-gnu-ar\)/\1 -rc/" Makefile
+	fi
 	make -j $NUMCPU &&
 	make -j $NUMCPU install 
 }