diff --git a/core/deployment/src/test/java/io/quarkus/deployment/util/JandexUtilTest.java b/core/deployment/src/test/java/io/quarkus/deployment/util/JandexUtilTest.java
index e2b8a47b0130ca..518a550c787a7a 100644
--- a/core/deployment/src/test/java/io/quarkus/deployment/util/JandexUtilTest.java
+++ b/core/deployment/src/test/java/io/quarkus/deployment/util/JandexUtilTest.java
@@ -16,6 +16,8 @@
 import org.jboss.jandex.Type.Kind;
 import org.junit.jupiter.api.Test;
 
+import io.quarkus.commons.classloading.ClassloadHelper;
+
 public class JandexUtilTest {
 
     private static final DotName SIMPLE = DotName.createSimple(Single.class.getName());
@@ -307,7 +309,7 @@ private static Index index(Class<?>... classes) {
         for (Class<?> clazz : classes) {
             try {
                 try (InputStream stream = JandexUtilTest.class.getClassLoader()
-                        .getResourceAsStream(clazz.getName().replace('.', '/') + ".class")) {
+                        .getResourceAsStream(ClassloadHelper.fromClassNameToResourceName(clazz.getName()))) {
                     indexer.index(stream);
                 }
             } catch (IOException e) {
diff --git a/independent-projects/bootstrap/benchmarks/src/main/java/io/quarkus/commons/benchmarks/BenchmarkClassnameToResourceName.java b/independent-projects/bootstrap/benchmarks/src/main/java/io/quarkus/commons/benchmarks/BenchmarkClassnameToResourceName.java
index 3879ac294bb733..c3974b21551c22 100644
--- a/independent-projects/bootstrap/benchmarks/src/main/java/io/quarkus/commons/benchmarks/BenchmarkClassnameToResourceName.java
+++ b/independent-projects/bootstrap/benchmarks/src/main/java/io/quarkus/commons/benchmarks/BenchmarkClassnameToResourceName.java
@@ -1,6 +1,8 @@
 package io.quarkus.commons.benchmarks;
 
-import io.quarkus.commons.classloading.ClassloadHelper;
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+
 import org.openjdk.jmh.annotations.Benchmark;
 import org.openjdk.jmh.annotations.BenchmarkMode;
 import org.openjdk.jmh.annotations.Fork;
@@ -12,8 +14,7 @@
 import org.openjdk.jmh.annotations.State;
 import org.openjdk.jmh.annotations.Warmup;
 
-import java.io.IOException;
-import java.util.concurrent.TimeUnit;
+import io.quarkus.commons.classloading.ClassloadHelper;
 
 /**
  * We benchmark this strategy with CompilerControl.Mode.EXCLUDE as this code
diff --git a/independent-projects/bootstrap/maven-resolver/pom.xml b/independent-projects/bootstrap/maven-resolver/pom.xml
index 97ce31340034ce..ee02443b7e1f0e 100644
--- a/independent-projects/bootstrap/maven-resolver/pom.xml
+++ b/independent-projects/bootstrap/maven-resolver/pom.xml
@@ -33,6 +33,10 @@
     </dependencyManagement>
 
     <dependencies>
+        <dependency>
+            <groupId>io.quarkus</groupId>
+            <artifactId>quarkus-classloader-commons</artifactId>
+        </dependency>
         <dependency>
             <groupId>io.smallrye.beanbag</groupId>
             <artifactId>smallrye-beanbag-maven</artifactId>
diff --git a/independent-projects/bootstrap/maven-resolver/src/main/java/io/quarkus/bootstrap/resolver/maven/options/BootstrapMavenOptions.java b/independent-projects/bootstrap/maven-resolver/src/main/java/io/quarkus/bootstrap/resolver/maven/options/BootstrapMavenOptions.java
index 5ef8f4297a0d44..3a2999a7da632e 100644
--- a/independent-projects/bootstrap/maven-resolver/src/main/java/io/quarkus/bootstrap/resolver/maven/options/BootstrapMavenOptions.java
+++ b/independent-projects/bootstrap/maven-resolver/src/main/java/io/quarkus/bootstrap/resolver/maven/options/BootstrapMavenOptions.java
@@ -22,6 +22,7 @@
 import org.apache.maven.shared.utils.cli.CommandLineUtils;
 
 import io.quarkus.bootstrap.util.PropertyUtils;
+import io.quarkus.commons.classloading.ClassloadHelper;
 
 /**
  * This class resolves relevant Maven command line options in case it's called
@@ -256,7 +257,7 @@ private static Map<String, Object> invokeParser(ClassLoader cl, String[] args) t
      * classpath of the context classloader
      */
     public static Path getClassOrigin(Class<?> cls) throws IOException {
-        return getResourceOrigin(cls.getClassLoader(), cls.getName().replace('.', '/') + ".class");
+        return getResourceOrigin(cls.getClassLoader(), ClassloadHelper.fromClassNameToResourceName(cls.getName()));
     }
 
     public static Path getResourceOrigin(ClassLoader cl, final String name) throws IOException {
diff --git a/independent-projects/tools/devtools-common/src/main/java/io/quarkus/maven/utilities/MojoUtils.java b/independent-projects/tools/devtools-common/src/main/java/io/quarkus/maven/utilities/MojoUtils.java
index e7a33a355a384a..b7ad89af505172 100644
--- a/independent-projects/tools/devtools-common/src/main/java/io/quarkus/maven/utilities/MojoUtils.java
+++ b/independent-projects/tools/devtools-common/src/main/java/io/quarkus/maven/utilities/MojoUtils.java
@@ -28,6 +28,7 @@
 
 import io.fabric8.maven.Maven;
 import io.fabric8.maven.XMLFormat;
+import io.quarkus.commons.classloading.ClassloadHelper;
 
 /**
  * @author kameshs
@@ -319,7 +320,7 @@ public static String[] readGavFromSettingsGradle(ByteArrayInputStream buildFileI
      * classpath of the context classloader
      */
     public static Path getClassOrigin(Class<?> cls) throws IOException {
-        return getResourceOrigin(cls.getClassLoader(), cls.getName().replace('.', '/') + ".class");
+        return getResourceOrigin(cls.getClassLoader(), ClassloadHelper.fromClassNameToResourceName(cls.getName()));
     }
 
     public static Path getResourceOrigin(ClassLoader cl, final String name) throws IOException {