diff --git a/plugins/nf-quilt/src/main/nextflow/quilt/nio/QuiltPath.groovy b/plugins/nf-quilt/src/main/nextflow/quilt/nio/QuiltPath.groovy
index 31b09e56..7fc10658 100644
--- a/plugins/nf-quilt/src/main/nextflow/quilt/nio/QuiltPath.groovy
+++ b/plugins/nf-quilt/src/main/nextflow/quilt/nio/QuiltPath.groovy
@@ -41,7 +41,7 @@ import groovy.util.logging.Slf4j
 
 @Slf4j
 @CompileStatic
-final class QuiltPath implements Path, Comparable {
+final class QuiltPath implements Path, Comparable <Path> {
 
     private final QuiltFileSystem filesystem
     private final QuiltParser parsed