diff --git a/build-prod.sh b/build-prod.sh
index 0cf9ae4..e6352b9 100755
--- a/build-prod.sh
+++ b/build-prod.sh
@@ -4,7 +4,11 @@
 set -e
 
 # clean build
-rm -rf build
+
+if [ "$1" != "--continue" ]; then
+    rm -rf build
+fi
+
 
 # configure for release
 mkdir -p build