diff --git a/docker-compose.yml b/docker-compose.yml
index 5c58b6ee7e..4a2adc1780 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -305,7 +305,7 @@ services:
 
   # PEcAn ED model runner
   ed2:
-    hostname: ed2-2.2.0
+    hostname: ed2-2_2_0
     user: "${UID:-1001}:${GID:-1001}"
     image: pecan/model-ed2-2.2.0:${PECAN_VERSION:-latest}
     restart: unless-stopped
@@ -337,7 +337,7 @@ services:
 
   # PEcAn BioCro model runner
   biocro:
-    hostname: biocro-0.95
+    hostname: biocro-0_95
     user: "${UID:-1001}:${GID:-1001}"
     image: pecan/model-biocro-0.95:${PECAN_VERSION:-latest}
     restart: unless-stopped