--- a/.docker/forkless-config/launch-config-forkless-data.j2
+++ b/.docker/forkless-config/launch-config-forkless-data.j2
@@ -93,9 +93,8 @@
             "balance": "1000000000000000000000000",
             "chainRawInitializer": [
                 "chainql",
-                "--ext-str=REPLICA_FROM",
                 "--tla-code=rawSpec=import '${rawSpec}'",
-                "--tla-code=forkFrom=std.extVar('REPLICA_FROM')",
+                "--tla-str=forkFrom={{ REPLICA_FROM }}",
                 "fork.jsonnet"
             ],
             "nodes": [
--- a/.github/workflows/forkless-update-data.yml
+++ b/.github/workflows/forkless-update-data.yml
@@ -94,6 +94,7 @@
           variables: |
             FEATURE=${{ matrix.features }}
             RUNTIME=${{ matrix.runtime }}
+            REPLICA_FROM=${{ matrix.replica_from_address }}
 
       - name: Show launch-config-forkless configuration
         run: cat .docker/launch-config-forkless-data.json