diff --git a/.clusterfuzzlite/Dockerfile b/.clusterfuzzlite/Dockerfile
index 10bf1d09f1..8fc7a691c6 100644
--- a/.clusterfuzzlite/Dockerfile
+++ b/.clusterfuzzlite/Dockerfile
@@ -18,5 +18,6 @@ FROM gcr.io/oss-fuzz-base/base-builder-go
 
 RUN git clone --depth=1 https://github.com/zalando/skipper.git
 
-COPY build.sh $SRC/
+COPY ./.clusterfuzzlite/build.sh $SRC/
+
 WORKDIR $SRC/skipper