diff --git a/pgo-training.sh b/pgo-training.sh
index 03b30ff..0b279c5 100755
--- a/pgo-training.sh
+++ b/pgo-training.sh
@@ -55,6 +55,7 @@ if [ ! -d $SQLITE ]; then
 fi
 
 rm -rf "$LLVM_PROFILE_DATA_DIR"
+export ARCHS
 $MAKE -f pgo-training.make PREFIX=$PREFIX STAGE1=$STAGE1 SQLITE=$SQLITE clean
 $MAKE -f pgo-training.make PREFIX=$PREFIX STAGE1=$STAGE1 SQLITE=$SQLITE -j$CORES