diff --git a/src/aashto/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/NetcdfServiceGroundMotions.java b/src/aashto/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/NetcdfServiceGroundMotions.java
index 42d3e4a2e707994878ac8b2ee09780d06113c388..cb717a9f306f5bcbda23c3329bfefdc400ca5e96 100644
--- a/src/aashto/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/NetcdfServiceGroundMotions.java
+++ b/src/aashto/src/main/java/gov/usgs/earthquake/nshmp/netcdf/www/NetcdfServiceGroundMotions.java
@@ -24,7 +24,7 @@ import io.micronaut.http.HttpRequest;
  *
  * @author U.S. Geological Survey
  */
-public class NetcdfServiceGroundMotions extends NetcdfService {
+public class NetcdfServiceGroundMotions extends NetcdfService<Query> {
 
   static final String SERVICE_DESCRIPTION = "Get static ground motions from a NetCDF file";
   static final String SERVICE_NAME = "AASHTO-2023 Web Service";