diff --git a/sims/Timeloop/Dockerfile b/sims/Timeloop/Dockerfile
index 701206ae..9d30fda7 100644
--- a/sims/Timeloop/Dockerfile
+++ b/sims/Timeloop/Dockerfile
@@ -26,7 +26,7 @@ RUN chown -R 1000:root /home/workspace && chmod -R 775 /home/workspace
 RUN git clone --recursive https://github.com/srivatsankrishnan/oss-arch-gym.git
 RUN chown -R 1000:root /home/workspace && chmod -R 775 /home/workspace
 RUN cd oss-arch-gym
-RUN echo "which conda"
+SHELL ["which", "conda"]
 # RUN conda env create -f environment.yml
 # RUN apt-get update && apt-get -y install libgmp-dev gcc g++