diff --git a/wasm-build-pipeline/Dockerfile b/wasm-build-pipeline/Dockerfile
index 899e3a8f8b..2754a88af0 100644
--- a/wasm-build-pipeline/Dockerfile
+++ b/wasm-build-pipeline/Dockerfile
@@ -2,7 +2,7 @@ FROM trzeci/emscripten:1.39.18-fastcomp
 SHELL ["/bin/bash", "-c"]
 
 WORKDIR /root
-COPY ./copy-to-docker-image/* /root
+COPY ./copy-to-docker-image/* /root/
 RUN mkdir lib
 
 RUN set -euxo pipefail;\