diff --git a/planetstack/plstackapi_config b/planetstack/plstackapi_config
index 5d95231..a61e7ed 100644
--- a/planetstack/plstackapi_config
+++ b/planetstack/plstackapi_config
@@ -31,5 +31,6 @@
 default_security_group=default
 
 [observer]
+images_directory=/opt/planetstack/images
 dependency_graph=/opt/planetstack/model-deps
 logfile=/var/log/planetstack_backend.log