diff --git a/src/test/smoketest/plain_server.rest b/src/test/smoketest/plain_server.http
similarity index 99%
rename from src/test/smoketest/plain_server.rest
rename to src/test/smoketest/plain_server.http
index c5856ff..ff159a4 100644
--- a/src/test/smoketest/plain_server.rest
+++ b/src/test/smoketest/plain_server.http
@@ -220,4 +220,4 @@ POST http://{{host}}/fhir/Patient/{{batch_patient_id}}/$validate
         const resourceType = response.body.resourceType;
         client.assert(resourceType === "OperationOutcome", "Expected 'OperationOutcome' but received '" + resourceType + "'");
     });
-%}
\ No newline at end of file
+%}