diff --git a/.github/workflows/s390x/Dockerfile.ci b/.github/workflows/s390x/Dockerfile.ci
index 0450e8c517f8..7e60290072fa 100644
--- a/.github/workflows/s390x/Dockerfile.ci
+++ b/.github/workflows/s390x/Dockerfile.ci
@@ -80,4 +80,4 @@ RUN apt-get update && \
     zip
 
 COPY requirements.txt /tmp/
-RUN PYTHON_CMD=python3 $PYTHON_CMD -m pip install -U --break-system-packages -r /tmp/requirements.txt
+RUN PYTHON_CMD=python3 && $PYTHON_CMD -m pip install -U --break-system-packages -r /tmp/requirements.txt