diff --git a/.docker/Dockerfile b/.docker/Dockerfile
index 3318042f..d0fc17c0 100644
--- a/.docker/Dockerfile
+++ b/.docker/Dockerfile
@@ -249,6 +249,6 @@ RUN sudo apt-get update \
     && sudo rm -rf /var/lib/apt/lists/*
 
 # Env vars for the nvidia-container-runtime.
-ENV NVIDIA_VISIBLE_DEVICES all
-ENV NVIDIA_DRIVER_CAPABILITIES graphics,utility,compute
-ENV QT_X11_NO_MITSHM 1
+ENV NVIDIA_VISIBLE_DEVICES=all
+ENV NVIDIA_DRIVER_CAPABILITIES=graphics,utility,compute
+ENV QT_X11_NO_MITSHM=1