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 1cfce01ff..c2b25faf3 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
@@ -916,6 +916,28 @@ public void handleAiServices(
                             .setModifiers(Modifier.PRIVATE | Modifier.FINAL)
                             .getFieldDescriptor();
 
+                    {
+                        MethodCreator ctor = classCreator.getMethodCreator(MethodDescriptor.INIT, "V",
+                                QuarkusAiServiceContext.class);
+                        ctor.setModifiers(Modifier.PUBLIC);
+                        ctor.addAnnotation(Inject.class);
+                        ctor.getParameterAnnotations(0)
+                                .addAnnotation(LangChain4jDotNames.QUARKUS_AI_SERVICE_CONTEXT_QUALIFIER.toString())
+                                .add("value", ifaceName);
+                        ctor.invokeSpecialMethod(OBJECT_CONSTRUCTOR, ctor.getThis());
+                        ctor.writeInstanceField(contextField, ctor.getThis(),
+                                ctor.getMethodParam(0));
+                        ctor.returnValue(null);
+                    }
+
+                    {
+                        MethodCreator noArgsCtor = classCreator.getMethodCreator(MethodDescriptor.INIT, "V");
+                        noArgsCtor.setModifiers(Modifier.PUBLIC);
+                        noArgsCtor.invokeSpecialMethod(OBJECT_CONSTRUCTOR, noArgsCtor.getThis());
+                        noArgsCtor.writeInstanceField(contextField, noArgsCtor.getThis(), noArgsCtor.loadNull());
+                        noArgsCtor.returnValue(null);
+                    }
+
                     for (MethodInfo methodInfo : methodsToImplement) {
                         // The implementation essentially gets the context and delegates to
                         // MethodImplementationSupport#implement
@@ -940,27 +962,6 @@ public void handleAiServices(
                                     .beanClassNames(methodCreateInfo.getToolClassNames().toArray(EMPTY_STRING_ARRAY)));
                         }
                         perMethodMetadata.put(methodId, methodCreateInfo);
-                        {
-                            MethodCreator ctor = classCreator.getMethodCreator(MethodDescriptor.INIT, "V",
-                                    QuarkusAiServiceContext.class);
-                            ctor.setModifiers(Modifier.PUBLIC);
-                            ctor.addAnnotation(Inject.class);
-                            ctor.getParameterAnnotations(0)
-                                    .addAnnotation(LangChain4jDotNames.QUARKUS_AI_SERVICE_CONTEXT_QUALIFIER.toString())
-                                    .add("value", ifaceName);
-                            ctor.invokeSpecialMethod(OBJECT_CONSTRUCTOR, ctor.getThis());
-                            ctor.writeInstanceField(contextField, ctor.getThis(),
-                                    ctor.getMethodParam(0));
-                            ctor.returnValue(null);
-                        }
-
-                        {
-                            MethodCreator noArgsCtor = classCreator.getMethodCreator(MethodDescriptor.INIT, "V");
-                            noArgsCtor.setModifiers(Modifier.PUBLIC);
-                            noArgsCtor.invokeSpecialMethod(OBJECT_CONSTRUCTOR, noArgsCtor.getThis());
-                            noArgsCtor.writeInstanceField(contextField, noArgsCtor.getThis(), noArgsCtor.loadNull());
-                            noArgsCtor.returnValue(null);
-                        }
 
                         { // actual method we need to implement
                             MethodCreator mc = classCreator.getMethodCreator(MethodDescriptor.of(methodInfo));
diff --git a/model-providers/openai/openai-vanilla/deployment/src/test/java/org/acme/examples/aiservices/DeclarativeAiServicesTest.java b/model-providers/openai/openai-vanilla/deployment/src/test/java/org/acme/examples/aiservices/DeclarativeAiServicesTest.java
index 0a507c34f..053dfc04b 100644
--- a/model-providers/openai/openai-vanilla/deployment/src/test/java/org/acme/examples/aiservices/DeclarativeAiServicesTest.java
+++ b/model-providers/openai/openai-vanilla/deployment/src/test/java/org/acme/examples/aiservices/DeclarativeAiServicesTest.java
@@ -47,8 +47,10 @@
 import io.quarkiverse.langchain4j.ImageUrl;
 import io.quarkiverse.langchain4j.RegisterAiService;
 import io.quarkiverse.langchain4j.openai.testing.internal.OpenAiBaseTest;
+import io.quarkiverse.langchain4j.runtime.aiservice.QuarkusAiServiceContext;
 import io.quarkiverse.langchain4j.testing.internal.WiremockAware;
 import io.quarkus.arc.Arc;
+import io.quarkus.arc.ClientProxy;
 import io.quarkus.test.QuarkusUnitTest;
 
 public class DeclarativeAiServicesTest extends OpenAiBaseTest {
@@ -483,10 +485,14 @@ interface ImageDescriber {
     ImageDescriber imageDescriber;
 
     @Test
-    public void test_image_describer() throws IOException {
+    public void test_image_describer() throws Exception {
         var imageUrl = "https://foo.bar";
         doTestImageDescriber(() -> imageDescriber.describe("Java", imageUrl, "NOT_AN_IMAGE"));
         doTestImageDescriber(() -> imageDescriber.describe2("Java", Image.builder().url(imageUrl).build(), "NOT_AN_IMAGE"));
+
+        // make sure the class is properly generated - see https://github.com/quarkiverse/quarkus-langchain4j/issues/954
+        ImageDescriber unwrapped = ClientProxy.unwrap(imageDescriber);
+        unwrapped.getClass().getConstructor(QuarkusAiServiceContext.class).getAnnotation(Inject.class);
     }
 
     private void doTestImageDescriber(Supplier<String> describerSupplier) throws IOException {