diff --git a/src/main/java/jenkins/scm/api/SCMFileSystem.java b/src/main/java/jenkins/scm/api/SCMFileSystem.java
index 899ecc7c..45d1df22 100644
--- a/src/main/java/jenkins/scm/api/SCMFileSystem.java
+++ b/src/main/java/jenkins/scm/api/SCMFileSystem.java
@@ -169,7 +169,7 @@ public boolean changesSince(@CheckForNull SCMRevision revision, @NonNull OutputS
      * @throws InterruptedException if the attempt to create a {@link SCMFileSystem} was interrupted.
      */
     @CheckForNull
-    public static SCMFileSystem of(@NonNull Run build, @NonNull SCM scm) throws IOException, InterruptedException {
+    public static SCMFileSystem of(@NonNull Run<?, ?> build, @NonNull SCM scm) throws IOException, InterruptedException {
         return of(build, scm, null);
     }
 
@@ -186,7 +186,7 @@ public static SCMFileSystem of(@NonNull Run build, @NonNull SCM scm) throws IOEx
      * @throws InterruptedException if the attempt to create a {@link SCMFileSystem} was interrupted.
      */
     @CheckForNull
-    public static SCMFileSystem of(@NonNull Run build, @NonNull SCM scm, @CheckForNull SCMRevision rev)
+    public static SCMFileSystem of(@NonNull Run<?, ?> build, @NonNull SCM scm, @CheckForNull SCMRevision rev)
             throws IOException, InterruptedException {
         Objects.requireNonNull(scm);
         SCMFileSystem fallBack = null;
@@ -568,8 +568,10 @@ public final boolean supports(SCMSourceDescriptor descriptor) {
          * @throws InterruptedException if the attempt to create a {@link SCMFileSystem} was interrupted.
          */
         @CheckForNull
-        public abstract SCMFileSystem build(@NonNull Run build, @NonNull SCM scm, @CheckForNull SCMRevision rev)
-                throws IOException, InterruptedException;
+        public SCMFileSystem build(@NonNull Run<?, ?> build, @NonNull SCM scm, @CheckForNull SCMRevision rev)
+                throws IOException, InterruptedException {
+            return build(build.getParent(), scm, rev);
+        }
 
         /**
          * Given a {@link SCM} this should try to build a corresponding {@link SCMFileSystem} instance that
diff --git a/src/test/java/jenkins/scm/impl/SCMFileSystemTest.java b/src/test/java/jenkins/scm/impl/SCMFileSystemTest.java
index f1cad54a..ea130295 100644
--- a/src/test/java/jenkins/scm/impl/SCMFileSystemTest.java
+++ b/src/test/java/jenkins/scm/impl/SCMFileSystemTest.java
@@ -120,7 +120,7 @@ public SCMFileSystem build(@NonNull Item owner, @NonNull SCM scm, @CheckForNull
 
         @Override
         @CheckForNull
-        public SCMFileSystem build(@NonNull Run build, @NonNull SCM scm, @CheckForNull SCMRevision rev)
+        public SCMFileSystem build(@NonNull Run<?, ?> build, @NonNull SCM scm, @CheckForNull SCMRevision rev)
                 throws IOException, InterruptedException {
             return null;
         }
@@ -158,7 +158,7 @@ public SCMFileSystem build(@NonNull Item owner, @NonNull SCM scm, @CheckForNull
 
         @Override
         @CheckForNull
-        public SCMFileSystem build(@NonNull Run build, @NonNull SCM scm, @CheckForNull SCMRevision rev)
+        public SCMFileSystem build(@NonNull Run<?, ?> build, @NonNull SCM scm, @CheckForNull SCMRevision rev)
                 throws IOException, InterruptedException {
             return null;
         }