diff --git a/java/ql/src/Security/CWE/CWE-023/PartialPathTraversalGood.java b/java/ql/src/Security/CWE/CWE-023/PartialPathTraversalGood.java
index 2051460c8ba..859e759e088 100644
--- a/java/ql/src/Security/CWE/CWE-023/PartialPathTraversalGood.java
+++ b/java/ql/src/Security/CWE/CWE-023/PartialPathTraversalGood.java
@@ -2,7 +2,7 @@ import java.io.File;
 
 public class PartialPathTraversalGood {
     public void example(File dir, File parent) throws IOException {
-        if (!dir.getCanonicalPath().startsWith(parent.getCanonicalPath().toPath())) {
+        if (!dir.getCanonicalPath().toPath().startsWith(parent.getCanonicalPath().toPath())) {
             throw new IOException("Invalid directory: " + dir.getCanonicalPath());
         }
     }