diff --git a/.osparc/jupyter-math/runtime.yml b/.osparc/jupyter-math/runtime.yml
index f3839c5..21d9cc9 100644
--- a/.osparc/jupyter-math/runtime.yml
+++ b/.osparc/jupyter-math/runtime.yml
@@ -29,6 +29,7 @@ compose-spec:
     jupyter-math:
       image: $${SIMCORE_REGISTRY}/simcore/services/dynamic/jupyter-math:$${SERVICE_VERSION}  
       environment:                                                                                                                                  
+        - OSPARC_API_HOST=$${OSPARC_VARIABLE_API_HOST}                                                                                                
         - OSPARC_API_KEY=$${OSPARC_VARIABLE_API_KEY}                                                                                                
         - OSPARC_API_SECRET=$${OSPARC_VARIABLE_API_SECRET}
 container-http-entrypoint: jupyter-math