diff --git a/devtools/gradle/src/main/java/io/quarkus/gradle/QuarkusPlugin.java b/devtools/gradle/src/main/java/io/quarkus/gradle/QuarkusPlugin.java
index 51d56347154a66..f7d42122adac50 100644
--- a/devtools/gradle/src/main/java/io/quarkus/gradle/QuarkusPlugin.java
+++ b/devtools/gradle/src/main/java/io/quarkus/gradle/QuarkusPlugin.java
@@ -136,7 +136,14 @@ public void execute(Task test) {
                 JavaPlugin.class,
                 javaPlugin -> {
                     project.afterEvaluate(this::afterEvaluate);
+                    ConfigurationContainer configurations = project.getConfigurations();
                     JavaCompile compileJavaTask = (JavaCompile) tasks.getByName(JavaPlugin.COMPILE_JAVA_TASK_NAME);
+
+                    // By default, gradle looks for annotation processors in the annotationProcessor configuration.
+                    // This configure the compile task to look for annotation processors in the compileClasspath.
+                    compileJavaTask.getOptions().setAnnotationProcessorPath(
+                            configurations.getByName(JavaPlugin.COMPILE_CLASSPATH_CONFIGURATION_NAME));
+
                     compileJavaTask.dependsOn(quarkusGenerateCode);
                     quarkusGenerateCode.setSourceRegistrar(compileJavaTask::source);
 
@@ -169,8 +176,6 @@ public void execute(Task test) {
                                     .plus(mainSourceSet.getOutput())
                                     .plus(testSourceSet.getOutput()));
 
-                    ConfigurationContainer configurations = project.getConfigurations();
-
                     // create a custom configuration for devmode
                     configurations.create(DEV_MODE_CONFIGURATION_NAME).extendsFrom(
                             configurations.getByName(JavaPlugin.COMPILE_ONLY_CONFIGURATION_NAME),