diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-19/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-19/Dockerfile
index 2901daacd539..e6e6f3e779b7 100644
--- a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-19/Dockerfile
+++ b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-19/Dockerfile
@@ -60,4 +60,5 @@ COPY host-x86_64/dist-x86_64-linux/build-gccjit.sh /scripts/
 RUN /scripts/build-gccjit.sh /scripts
 
 COPY scripts/x86_64-gnu-llvm.sh /tmp/script.sh
+ARG SCRIPT_ARG
 ENV SCRIPT="/tmp/script.sh && ${SCRIPT_ARG}"