diff --git a/build.sh b/build.sh
index e0d506f..90af7c6 100755
--- a/build.sh
+++ b/build.sh
@@ -5,6 +5,8 @@ set -e
 BIN='../cross/root/bin'
 CROSS="$BIN/i386-elf-"
 
+./clean.sh
+
 ${CROSS}gcc -c src/x86_stage1.S -o src/x86_stage1.o
 ${CROSS}gcc -c src/x86_stage2.S -o src/x86_stage2.o
 ${CROSS}ld -Ttext 200000 --oformat binary -o src/x86_stage1.bin src/x86_stage1.o