diff --git a/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java b/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
index d0f1a2724..49dfc7cb9 100644
--- a/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
+++ b/src/main/java/org/apache/maven/plugins/javadoc/AbstractJavadocMojo.java
@@ -145,7 +145,6 @@
 import static org.apache.maven.plugins.javadoc.JavadocUtil.isEmpty;
 import static org.apache.maven.plugins.javadoc.JavadocUtil.isNotEmpty;
 import static org.apache.maven.plugins.javadoc.JavadocUtil.toList;
-import static org.apache.maven.plugins.javadoc.JavadocUtil.toRelative;
 
 /**
  * Base class with majority of Javadoc functionalities.
@@ -5936,8 +5935,10 @@ protected final JavadocOptions buildJavadocOptions() throws IOException {
         options.setTags(toList(tags));
 
         if (getProject() != null && getJavadocDirectory() != null) {
-            options.setJavadocResourcesDirectory(
-                    toRelative(getProject().getBasedir(), getJavadocDirectory().getAbsolutePath()));
+            Path basedir = getProject().getBasedir().toPath();
+            Path javadocDirectory = getJavadocDirectory().toPath().toAbsolutePath();
+            Path javadocResourcesDirectory = basedir.relativize(javadocDirectory);
+            options.setJavadocResourcesDirectory(javadocResourcesDirectory.toString());
         }
 
         File optionsFile = getJavadocOptionsFile();