diff --git a/devtools/docker/Dockerfile b/devtools/docker/Dockerfile
index 7569dbb..d6b4128 100644
--- a/devtools/docker/Dockerfile
+++ b/devtools/docker/Dockerfile
@@ -1,6 +1,6 @@
 FROM molssi/mamba141
 
-COPY ./mopac_step/data/seamm_mopac.yml /root/environment.yml
+COPY ./mopac_step/data/seamm-mopac.yml /root/environment.yml
 
 RUN mamba env update -f /root/environment.yml