diff --git a/src/main/java/jenkins/plugins/git/GitSCMFileSystem.java b/src/main/java/jenkins/plugins/git/GitSCMFileSystem.java
index c3c5a16e04..eb22b98a86 100644
--- a/src/main/java/jenkins/plugins/git/GitSCMFileSystem.java
+++ b/src/main/java/jenkins/plugins/git/GitSCMFileSystem.java
@@ -35,6 +35,7 @@
 import hudson.EnvVars;
 import hudson.Extension;
 import hudson.model.Item;
+import hudson.model.Node;
 import hudson.model.TaskListener;
 import hudson.plugins.git.BranchSpec;
 import hudson.plugins.git.GitException;
@@ -53,10 +54,13 @@
 import java.io.Writer;
 import java.net.URISyntaxException;
 import java.util.Arrays;
+import java.util.Objects;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.locks.Lock;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+
+import jenkins.model.Jenkins;
 import jenkins.scm.api.SCMFile;
 import jenkins.scm.api.SCMFileSystem;
 import jenkins.scm.api.SCMHead;
@@ -252,19 +256,32 @@ public static class BuilderImpl extends SCMFileSystem.Builder {
 
         @Override
         public boolean supports(SCM source) {
-            return source instanceof GitSCM
+            TaskListener listener = new LogTaskListener(LOGGER, Level.FINE);
+            if (source instanceof GitSCM
                     && ((GitSCM) source).getUserRemoteConfigs().size() == 1
                     && ((GitSCM) source).getBranches().size() == 1
-                    && !((GitSCM) source).getBranches().get(0).getName().equals("*") // JENKINS-57587
-                    && (
-                        ((GitSCM) source).getBranches().get(0).getName().matches(
-                            "^((\\Q" + Constants.R_HEADS + "\\E.*)|([^/]+)|(\\*/[^/*]+(/[^/*]+)*))$"
-                        )
-                        || ((GitSCM) source).getBranches().get(0).getName().matches(
-                            "^((\\Q" + Constants.R_TAGS + "\\E.*)|([^/]+)|(\\*/[^/*]+(/[^/*]+)*))$"
-                        )
+            ) {
+                try {
+                    Node n = (Node) Jenkins.get();
+                    String branchName = ((GitSCM) source).getBranches().get(0).getName();
+                    EnvVars env = new EnvVars(EnvVars.masterEnvVars);
+                    env.putAllNonNull((Objects.requireNonNull(n.toComputer())).buildEnvironment(listener));
+                    ((GitSCM) source).getBranches().get(0).setName(env.expand(branchName)); // JENKINS-64406
+                    return !((GitSCM) source).getBranches().get(0).getName().equals("*") // JENKINS-57587
+                            && (
+                            ((GitSCM) source).getBranches().get(0).getName().matches(
+                                    "^((\\Q" + Constants.R_HEADS + "\\E.*)|([^/]+)|(\\*/[^/*]+(/[^/*]+)*))$"
+                            )
+                                    || ((GitSCM) source).getBranches().get(0).getName().matches(
+                                    "^((\\Q" + Constants.R_TAGS + "\\E.*)|([^/]+)|(\\*/[^/*]+(/[^/*]+)*))$"
+                            )
                     );
-            // we only support where the branch spec is obvious and not a wildcard
+                    // we only support where the branch spec is obvious and not a wildcard
+                } catch (IOException | InterruptedException | NullPointerException e) {
+                    e.printStackTrace(listener.error("Unable to build environment variables"));
+                }
+            }
+            return false;
         }
 
         @Override
diff --git a/src/test/java/jenkins/plugins/git/GitSCMFileSystemTest.java b/src/test/java/jenkins/plugins/git/GitSCMFileSystemTest.java
index b4dde88a66..e745cd86ee 100644
--- a/src/test/java/jenkins/plugins/git/GitSCMFileSystemTest.java
+++ b/src/test/java/jenkins/plugins/git/GitSCMFileSystemTest.java
@@ -37,6 +37,8 @@
 import java.util.Iterator;
 import java.util.Set;
 import java.util.TreeSet;
+
+import hudson.slaves.EnvironmentVariablesNodeProperty;
 import jenkins.scm.api.SCMFile;
 import jenkins.scm.api.SCMFileSystem;
 import jenkins.scm.api.SCMHead;
@@ -427,6 +429,27 @@ public void filesystem_supports_descriptor() throws Exception {
         assertTrue(SCMFileSystem.supports(descriptor));
     }
 
+    @Issue("JENKINS-64406")
+    @Test
+    public void expand_environment_variables_lightweight_checkout() throws Exception {
+        setEnvironmentVariables();
+        sampleRepo.init();
+        GitSCM scm = new GitSCM(GitSCM.createRepoList(sampleRepo.toString(), null),
+                Collections.singletonList(new BranchSpec("${repoBranchName}")), // Jenkins 64406
+                null, null,
+                Collections.<GitSCMExtension>emptyList());
+        boolean fs = GitSCMFileSystem.supports(scm);
+        System.out.println("Success " + scm.getBranches().get(0).getName());
+        assertTrue("Branch variable not expanded" + scm.getBranches().get(0).getName(), fs);
+    }
+
+    private void setEnvironmentVariables() {
+        EnvironmentVariablesNodeProperty prop = new EnvironmentVariablesNodeProperty();
+        EnvVars envVars = prop.getEnvVars();
+        envVars.put("repoBranchName", "Jenkinsfile");
+        r.jenkins.getGlobalNodeProperties().add(prop);
+    }
+
     /** inline ${@link hudson.Functions#isWindows()} to prevent a transient remote classloader issue */
     private boolean isWindows() {
         return java.io.File.pathSeparatorChar==';';