diff --git a/start-site/src/main/java/io/spring/start/site/extension/dependency/springgrpc/GrpcMavenBuildCustomizer.java b/start-site/src/main/java/io/spring/start/site/extension/dependency/springgrpc/GrpcMavenBuildCustomizer.java
index d5e2fad0e1..a7a021c727 100644
--- a/start-site/src/main/java/io/spring/start/site/extension/dependency/springgrpc/GrpcMavenBuildCustomizer.java
+++ b/start-site/src/main/java/io/spring/start/site/extension/dependency/springgrpc/GrpcMavenBuildCustomizer.java
@@ -79,8 +79,10 @@ private void addProtobufPlugin(MavenPluginContainer plugins, VersionProperty pro
 			});
 			plugin.execution("compile", (execution) -> {
 				execution.goal("compile").goal("compile-custom");
-				execution.configuration((configuration) -> configuration.add("pluginParameter", "jakarta_omit"));
-				execution.configuration((configuration) -> configuration.add("pluginParameter", "@generated=omit"));
+				execution.configuration((configuration) -> {
+					configuration.add("pluginParameter", "jakarta_omit");
+					configuration.add("pluginParameter", "@generated=omit");
+				});
 			});
 		});
 	}