diff --git a/testing-framework/runners/compose/src/compose.rs b/testing-framework/runners/compose/src/compose.rs
index 43620ad..327f415 100644
--- a/testing-framework/runners/compose/src/compose.rs
+++ b/testing-framework/runners/compose/src/compose.rs
@@ -317,6 +317,13 @@ impl NodeDescriptor {
         cfgsync_port: u16,
     ) -> Self {
         let mut environment = base_environment(cfgsync_port);
+        if use_kzg_mount {
+            // Point DA verifier to the mounted KZG params inside the container.
+            environment.push(EnvEntry::new(
+                "NOMOS_KZGRS_PARAMS_PATH",
+                "/kzgrs_test_params",
+            ));
+        }
         let identifier = kind.instance_name(index);
         environment.extend([
             EnvEntry::new(