diff --git a/devtools/maven/src/main/java/io/quarkus/maven/GenerateCodeMojo.java b/devtools/maven/src/main/java/io/quarkus/maven/GenerateCodeMojo.java
index bac5869a23d8e..20b82611c5190 100644
--- a/devtools/maven/src/main/java/io/quarkus/maven/GenerateCodeMojo.java
+++ b/devtools/maven/src/main/java/io/quarkus/maven/GenerateCodeMojo.java
@@ -2,7 +2,7 @@
 
 import java.lang.reflect.Method;
 import java.nio.file.Path;
-import java.nio.file.Paths;
+import java.util.List;
 import java.util.Properties;
 import java.util.function.Consumer;
 
@@ -50,12 +50,11 @@ protected boolean beforeExecute() throws MojoExecutionException, MojoFailureExce
 
     @Override
     protected void doExecute() throws MojoExecutionException, MojoFailureException {
-        String projectDir = mavenProject().getBasedir().getAbsolutePath();
-        Path sourcesDir = Paths.get(projectDir, "src", "main");
-        generateCode(sourcesDir, path -> mavenProject().addCompileSourceRoot(path.toString()), false);
+        generateCode(getParentDirs(mavenProject().getCompileSourceRoots()),
+                path -> mavenProject().addCompileSourceRoot(path.toString()), false);
     }
 
-    void generateCode(Path sourcesDir,
+    void generateCode(PathCollection sourceParents,
             Consumer<Path> sourceRegistrar,
             boolean test) throws MojoFailureException, MojoExecutionException {
 
@@ -78,7 +77,7 @@ void generateCode(Path sourcesDir,
                     Path.class, Path.class,
                     Consumer.class, ApplicationModel.class, Properties.class, String.class,
                     boolean.class);
-            initAndRun.invoke(null, deploymentClassLoader, PathList.of(sourcesDir),
+            initAndRun.invoke(null, deploymentClassLoader, sourceParents,
                     generatedSourcesDir(test), buildDir().toPath(),
                     sourceRegistrar, curatedApplication.getApplicationModel(), mavenProject().getProperties(),
                     launchMode.name(),
@@ -94,6 +93,20 @@ void generateCode(Path sourcesDir,
         }
     }
 
+    protected PathCollection getParentDirs(List<String> sourceDirs) {
+        if (sourceDirs.size() == 1) {
+            return PathList.of(Path.of(sourceDirs.get(0)).getParent());
+        }
+        final PathList.Builder builder = PathList.builder();
+        for (int i = 0; i < sourceDirs.size(); ++i) {
+            final Path parentDir = Path.of(sourceDirs.get(i)).getParent();
+            if (!builder.contains(parentDir)) {
+                builder.add(parentDir);
+            }
+        }
+        return builder.build();
+    }
+
     private Path generatedSourcesDir(boolean test) {
         return test ? buildDir().toPath().resolve("generated-test-sources") : buildDir().toPath().resolve("generated-sources");
     }
diff --git a/devtools/maven/src/main/java/io/quarkus/maven/GenerateCodeTestsMojo.java b/devtools/maven/src/main/java/io/quarkus/maven/GenerateCodeTestsMojo.java
index 9bb919395ca9c..a5a2644e8f16c 100644
--- a/devtools/maven/src/main/java/io/quarkus/maven/GenerateCodeTestsMojo.java
+++ b/devtools/maven/src/main/java/io/quarkus/maven/GenerateCodeTestsMojo.java
@@ -1,8 +1,5 @@
 package io.quarkus.maven;
 
-import java.nio.file.Path;
-import java.nio.file.Paths;
-
 import org.apache.maven.plugin.MojoExecutionException;
 import org.apache.maven.plugin.MojoFailureException;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
@@ -13,8 +10,7 @@
 public class GenerateCodeTestsMojo extends GenerateCodeMojo {
     @Override
     protected void doExecute() throws MojoExecutionException, MojoFailureException {
-        String projectDir = mavenProject().getBasedir().getAbsolutePath();
-        Path testSources = Paths.get(projectDir, "src", "test");
-        generateCode(testSources, path -> mavenProject().addTestCompileSourceRoot(path.toString()), true);
+        generateCode(getParentDirs(mavenProject().getTestCompileSourceRoots()),
+                path -> mavenProject().addTestCompileSourceRoot(path.toString()), true);
     }
-}
\ No newline at end of file
+}
diff --git a/independent-projects/bootstrap/core/src/main/java/io/quarkus/bootstrap/BootstrapAppModelFactory.java b/independent-projects/bootstrap/core/src/main/java/io/quarkus/bootstrap/BootstrapAppModelFactory.java
index 41c4634d1d3c7..9fb1554c640c3 100644
--- a/independent-projects/bootstrap/core/src/main/java/io/quarkus/bootstrap/BootstrapAppModelFactory.java
+++ b/independent-projects/bootstrap/core/src/main/java/io/quarkus/bootstrap/BootstrapAppModelFactory.java
@@ -146,7 +146,7 @@ public AppModelResolver getAppModelResolver() {
                 if (mavenArtifactResolver == null) {
                     final BootstrapMavenContext mvnCtx = createBootstrapMavenContext();
                     if (managingProject == null) {
-                        managingProject = mvnCtx.getCurrentProjectArtifact("pom");
+                        managingProject = mvnCtx.getCurrentProjectArtifact(ArtifactCoords.TYPE_POM);
                     }
                     mvn = new MavenArtifactResolver(mvnCtx);
                 } else {