diff --git a/devtools/gradle/gradle-application-plugin/build.gradle b/devtools/gradle/gradle-application-plugin/build.gradle
index 2f24773c334888..57cd56b24de053 100644
--- a/devtools/gradle/gradle-application-plugin/build.gradle
+++ b/devtools/gradle/gradle-application-plugin/build.gradle
@@ -33,3 +33,7 @@ pluginBundle {
     vcsUrl = 'https://github.com/quarkusio/quarkus'
     tags = ['quarkus', 'quarkusio', 'graalvm']
 }
+
+test {
+    systemProperty 'kotlin_version', project.kotlin_version
+}
diff --git a/devtools/gradle/gradle-application-plugin/pom.xml b/devtools/gradle/gradle-application-plugin/pom.xml
index cefcb1fc66b3c1..fb682887162d3c 100644
--- a/devtools/gradle/gradle-application-plugin/pom.xml
+++ b/devtools/gradle/gradle-application-plugin/pom.xml
@@ -54,6 +54,18 @@
             <artifactId>quarkus-devmode-test-utils</artifactId>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-gradle-plugin</artifactId>
+            <version>${kotlin.version}</version>
+            <scope>test</scope>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.checkerframework</groupId>
+                    <artifactId>checker-qual</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
     </dependencies>
 
     <build>
@@ -70,4 +82,4 @@
         </plugins>
     </build>
 
-</project>
\ No newline at end of file
+</project>
diff --git a/devtools/gradle/gradle-application-plugin/src/test/java/io/quarkus/gradle/QuarkusPluginTest.java b/devtools/gradle/gradle-application-plugin/src/test/java/io/quarkus/gradle/QuarkusPluginTest.java
index 0f29e3f3c2e514..38d1eb6dc0c411 100644
--- a/devtools/gradle/gradle-application-plugin/src/test/java/io/quarkus/gradle/QuarkusPluginTest.java
+++ b/devtools/gradle/gradle-application-plugin/src/test/java/io/quarkus/gradle/QuarkusPluginTest.java
@@ -1,10 +1,15 @@
 package io.quarkus.gradle;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.gradle.testkit.runner.TaskOutcome.SUCCESS;
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
@@ -16,12 +21,18 @@
 import org.gradle.api.provider.Provider;
 import org.gradle.api.tasks.TaskContainer;
 import org.gradle.testfixtures.ProjectBuilder;
+import org.gradle.testkit.runner.BuildResult;
+import org.gradle.testkit.runner.GradleRunner;
 import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
 
 import io.quarkus.gradle.extension.QuarkusPluginExtension;
 
 public class QuarkusPluginTest {
 
+    @TempDir
+    Path testProjectDir;
+
     @Test
     public void shouldCreateTasks() {
         Project project = ProjectBuilder.builder().build();
@@ -67,7 +78,7 @@ public void shouldMakeQuarkusDevAndQuarkusBuildDependOnClassesTask() {
     }
 
     @Test
-    public void shouldReturnMutlipleOutputSourceDirectories() {
+    public void shouldReturnMultipleOutputSourceDirectories() {
         Project project = ProjectBuilder.builder().build();
         project.getPluginManager().apply(QuarkusPlugin.ID);
         project.getPluginManager().apply("java");
@@ -84,6 +95,67 @@ public void shouldReturnMutlipleOutputSourceDirectories() {
 
     }
 
+    @Test
+    public void shouldNotFailOnProjectDependenciesWithoutMain() throws IOException {
+        var kotlinVersion = System.getProperty("kotlin_version", "1.7.20");
+        var settingFile = testProjectDir.resolve("settings.gradle.kts");
+        var mppProjectDir = testProjectDir.resolve("mpp");
+        var quarkusProjectDir = testProjectDir.resolve("quarkus");
+        var mppBuild = mppProjectDir.resolve("build.gradle.kts");
+        var quarkusBuild = quarkusProjectDir.resolve("build.gradle.kts");
+        Files.createDirectory(mppProjectDir);
+        Files.createDirectory(quarkusProjectDir);
+        Files.writeString(settingFile,
+                "rootProject.name = \"quarkus-mpp-sample\"\n" +
+                        "\n" +
+                        "include(\n" +
+                        "    \"mpp\",\n" +
+                        "    \"quarkus\"\n" +
+                        ")");
+
+        Files.writeString(mppBuild,
+                "buildscript {\n" +
+                        "    repositories {\n" +
+                        "        mavenLocal()\n" +
+                        "        mavenCentral()\n" +
+                        "    }\n" +
+                        "    dependencies {\n" +
+                        "        classpath(\"org.jetbrains.kotlin:kotlin-gradle-plugin:" + kotlinVersion + "\")\n" +
+                        "    }\n" +
+                        "}\n" +
+                        "\n" +
+                        "apply(plugin = \"org.jetbrains.kotlin.multiplatform\")\n" +
+                        "\n" +
+                        "repositories {\n" +
+                        "    mavenCentral()\n" +
+                        "}\n" +
+                        "\n" +
+                        "configure<org.jetbrains.kotlin.gradle.dsl.KotlinMultiplatformExtension>{\n" +
+                        "    jvm()\n" +
+                        "}");
+
+        Files.writeString(quarkusBuild,
+                "plugins {\n" +
+                        "    id(\"io.quarkus\")\n" +
+                        "}\n" +
+                        "\n" +
+                        "repositories {\n" +
+                        "    mavenCentral()\n" +
+                        "}\n" +
+                        "\n" +
+                        "dependencies {\n" +
+                        "    implementation(project(\":mpp\"))\n" +
+                        "}");
+
+        BuildResult result = GradleRunner.create()
+                .withPluginClasspath()
+                .withProjectDir(testProjectDir.toFile())
+                .withArguments("quarkusGenerateCode")
+                .build();
+
+        assertEquals(SUCCESS, result.task(":quarkus:quarkusGenerateCode").getOutcome());
+    }
+
     private static final List<String> getDependantProvidedTaskName(Task task) {
         List<String> dependantTaskNames = new ArrayList<>();
         for (Object t : task.getDependsOn()) {
diff --git a/devtools/gradle/gradle-model/src/main/java/io/quarkus/gradle/tooling/dependency/DependencyUtils.java b/devtools/gradle/gradle-model/src/main/java/io/quarkus/gradle/tooling/dependency/DependencyUtils.java
index 5d0f37b1793e3c..66ac10d30b5ad5 100644
--- a/devtools/gradle/gradle-model/src/main/java/io/quarkus/gradle/tooling/dependency/DependencyUtils.java
+++ b/devtools/gradle/gradle-model/src/main/java/io/quarkus/gradle/tooling/dependency/DependencyUtils.java
@@ -83,7 +83,10 @@ public static ExtensionDependency getExtensionInfoOrNull(Project project, Resolv
             SourceSetContainer sourceSets = projectDep == null ? null
                     : projectDep.getExtensions().findByType(SourceSetContainer.class);
             if (sourceSets != null) {
-                SourceSet mainSourceSet = sourceSets.getByName(SourceSet.MAIN_SOURCE_SET_NAME);
+                SourceSet mainSourceSet = sourceSets.findByName(SourceSet.MAIN_SOURCE_SET_NAME);
+                if (mainSourceSet == null) {
+                    return null;
+                }
                 File resourcesDir = mainSourceSet.getOutput().getResourcesDir();
                 Path descriptorPath = resourcesDir.toPath().resolve(BootstrapConstants.DESCRIPTOR_PATH);
                 if (Files.exists(descriptorPath)) {