diff --git a/frontend-plugin-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/ArchiveExtractor.java b/frontend-plugin-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/ArchiveExtractor.java
index 901af7296..e0bbe8ae7 100644
--- a/frontend-plugin-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/ArchiveExtractor.java
+++ b/frontend-plugin-core/src/main/java/com/github/eirslett/maven/plugins/frontend/lib/ArchiveExtractor.java
@@ -104,13 +104,14 @@ public void extract(String archive, String destinationDirectory) throws ArchiveE
                     tarIn = new TarArchiveInputStream(new GzipCompressorInputStream(fis));
 
                     TarArchiveEntry tarEntry = tarIn.getNextTarEntry();
+                    String canonicalDestinationDirectory = new File(destinationDirectory).getCanonicalPath();
                     while (tarEntry != null) {
                         // Create a file for this tarEntry
                         final File destPath = new File(destinationDirectory + File.separator + tarEntry.getName());
                         prepDestination(destPath, tarEntry.isDirectory());
-                        if (!destPath.getCanonicalPath().startsWith(destinationDirectory)) {
+                        if (!destPath.getCanonicalPath().startsWith(canonicalDestinationDirectory)) {
                              throw new IOException(
-                                 "Expanding " + tarEntry.getName() + " would create file outside of " + destinationDirectory
+                                 "Expanding " + tarEntry.getName() + " would create file outside of " + canonicalDestinationDirectory
                              );
                         }
                         if (!tarEntry.isDirectory()) {