diff --git a/src/charm_helpers.py b/src/charm_helpers.py
index a63b447..f74d995 100644
--- a/src/charm_helpers.py
+++ b/src/charm_helpers.py
@@ -132,7 +132,7 @@ def create_env(model_name, app_name, container_name, config, state):
         "RUNNING_TTL_MINUTES": config["pod-running-ttl-minutes"],
         "SUCCEEDED_TTL_MINUTES": config["pod-successful-ttl-minutes"],
         "UNSUCCESSFUL_TTL_MINUTES": config["pod-unsuccessful-ttl-minutes"],
-        "INTERNAL_API_HOST": f"{app_name}:{INTERNAL_API_PORT}",
+        "INTERNAL_API_HOST": f"http://{app_name}:{INTERNAL_API_PORT}",
         "AIRBYTE_SERVER_HOST": f"{app_name}:{INTERNAL_API_PORT}",
         "CONFIG_API_HOST": f"{app_name}:{INTERNAL_API_PORT}",
         "CONNECTOR_BUILDER_SERVER_API_HOST": f"{app_name}:{CONNECTOR_BUILDER_SERVER_API_PORT}",
@@ -147,7 +147,7 @@ def create_env(model_name, app_name, container_name, config, state):
         env.update(
             {
                 "INTERNAL_API_HOST": f"{app_name}:{INTERNAL_API_PORT}",
-                "WORKLOAD_API_HOST": f"http://{app_name}:{WORKLOAD_API_PORT}",
+                "WORKLOAD_API_HOST": f"{app_name}:{WORKLOAD_API_PORT}",
             }
         )
 
diff --git a/tests/unit/test_charm.py b/tests/unit/test_charm.py
index d2ef249..5ffec17 100644
--- a/tests/unit/test_charm.py
+++ b/tests/unit/test_charm.py
@@ -369,7 +369,7 @@ def create_plan(container_name, storage_type):
                     "DATABASE_PORT": "5432",
                     "DATABASE_URL": "jdbc:postgresql://myhost:5432/airbyte-k8s_db",
                     "DATABASE_USER": "jean-luc@db",
-                    "INTERNAL_API_HOST": "airbyte-k8s:8001",
+                    "INTERNAL_API_HOST": "http://airbyte-k8s:8001",
                     "JOBS_DATABASE_MINIMUM_FLYWAY_MIGRATION_VERSION": "0.29.15.001",
                     "JOB_KUBE_MAIN_CONTAINER_IMAGE_PULL_POLICY": "IfNotPresent",
                     "JOB_KUBE_NAMESPACE": "airbyte-model",
@@ -422,7 +422,7 @@ def create_plan(container_name, storage_type):
 
     if container_name in ["airbyte-workload-launcher", "airbyte-workers"]:
         want_plan["services"][container_name]["environment"].update(
-            {"INTERNAL_API_HOST": "airbyte-k8s:8001", "WORKLOAD_API_HOST": "http://airbyte-k8s:8007"}
+            {"INTERNAL_API_HOST": "airbyte-k8s:8001", "WORKLOAD_API_HOST": "airbyte-k8s:8007"}
         )
 
     if storage_type == StorageType.minio: