diff --git a/ci/docker-compose-test.yml b/ci/docker-compose-test.yml
index a218d4fda1..42d7f9578b 100644
--- a/ci/docker-compose-test.yml
+++ b/ci/docker-compose-test.yml
@@ -51,7 +51,7 @@ services:
   neon-core-rpc:
     restart: unless-stopped
     container_name: neon-core-rpc
-    hostname: neon-core-rpc
+    hostname: neon_core_rpc
     entrypoint: /opt/neon-rpc /opt/libs/current
     environment:
       RUST_BACKTRACE: full
@@ -82,6 +82,7 @@ services:
     environment:
       - SOLANA_URL=http://solana:8899
       - NEON_CORE_API_URL=http://neon_api:8085/api
+      - NEON_CORE_API_RPC_URL=http://neon_core_rpc:3100
     hostname: tests
     command: sleep infinity
     networks: