diff --git a/core/deployment/src/main/java/io/quarkiverse/langchain4j/deployment/AiServicesProcessor.java b/core/deployment/src/main/java/io/quarkiverse/langchain4j/deployment/AiServicesProcessor.java
index be1e10b61..00b43a932 100644
--- a/core/deployment/src/main/java/io/quarkiverse/langchain4j/deployment/AiServicesProcessor.java
+++ b/core/deployment/src/main/java/io/quarkiverse/langchain4j/deployment/AiServicesProcessor.java
@@ -947,7 +947,7 @@ private List<TemplateParameterInfo> gatherTemplateParamInfo(List<MethodParameter
             templateParams.add(new TemplateParameterInfo(0, "it"));
         }
 
-        if (templateParams.stream().map(TemplateParameterInfo::name).allMatch(Objects::isNull)) {
+        if (!templateParams.isEmpty() && templateParams.stream().map(TemplateParameterInfo::name).allMatch(Objects::isNull)) {
             log.warn(
                     "The application has been compiled without the '-parameters' being set flag on javac. Make sure your build tool is configured to pass this flag to javac, otherwise Quarkus LangChain4j is unlikely to work properly without it.");
         }