diff --git a/main/externalmaven/io.sarl.maven.docs.generator/src/main/java/io/sarl/maven/docs/AbstractDocumentationMojo.java b/main/externalmaven/io.sarl.maven.docs.generator/src/main/java/io/sarl/maven/docs/AbstractDocumentationMojo.java
index ec40c2df59..8a0267f524 100644
--- a/main/externalmaven/io.sarl.maven.docs.generator/src/main/java/io/sarl/maven/docs/AbstractDocumentationMojo.java
+++ b/main/externalmaven/io.sarl.maven.docs.generator/src/main/java/io/sarl/maven/docs/AbstractDocumentationMojo.java
@@ -397,7 +397,7 @@ protected AbstractMarkerLanguageParser createLanguageParser(File inputFile) thro
 		final StringBuilder cp = new StringBuilder();
 		for (final File cpElement : getClassPath()) {
 			if (cp.length() > 0) {
-				cp.append(":"); //$NON-NLS-1$
+				cp.append(File.pathSeparator);
 			}
 			cp.append(cpElement.getAbsolutePath());
 		}