diff --git a/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/web/lfs/ExpiringAction.java b/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/web/lfs/ExpiringAction.java
index b68640f24b..28a6ee1016 100644
--- a/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/web/lfs/ExpiringAction.java
+++ b/scm-plugins/scm-git-plugin/src/main/java/sonia/scm/web/lfs/ExpiringAction.java
@@ -5,14 +5,20 @@ import sonia.scm.security.AccessToken;
 
 import java.text.SimpleDateFormat;
 import java.util.Collections;
+import java.util.TimeZone;
 
-@SuppressWarnings({"squid:S00116"})
-// This class is used for json serialization, only
 class ExpiringAction extends Response.Action {
+  private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
+  static {
+    DATE_FORMAT.setTimeZone(TimeZone.getTimeZone("GMT"));
+  }
+
+  @SuppressWarnings({"squid:S00116"})
+  // This class is used for json serialization, only
   public final String expires_at;
 
   ExpiringAction(String href, AccessToken accessToken) {
-    this.expires_at = new SimpleDateFormat("yyyy-MM-dd'T'HH:MM:ss'Z'").format(accessToken.getExpiration());
+    this.expires_at = DATE_FORMAT.format(accessToken.getExpiration());
     this.href = href;
     this.header = Collections.singletonMap("Authorization", "Bearer " + accessToken.compact());
   }
diff --git a/scm-plugins/scm-git-plugin/src/test/java/sonia/scm/web/lfs/LFSAuthCommandTest.java b/scm-plugins/scm-git-plugin/src/test/java/sonia/scm/web/lfs/LFSAuthCommandTest.java
index 0627bab822..1c3d55bc91 100644
--- a/scm-plugins/scm-git-plugin/src/test/java/sonia/scm/web/lfs/LFSAuthCommandTest.java
+++ b/scm-plugins/scm-git-plugin/src/test/java/sonia/scm/web/lfs/LFSAuthCommandTest.java
@@ -79,7 +79,7 @@ class LFSAuthCommandTest {
     CommandContext commandContext = createCommandContext();
     commandInterpreter.getProtocolHandler().handle(commandContext, createRepositoryContext());
     assertThat(commandContext.getOutputStream().toString())
-      .isEqualTo("{\"href\":\"http://example.com/repo/space/X.git/info/lfs/\",\"header\":{\"Authorization\":\"Bearer ACCESS_TOKEN\"},\"expires_at\":\"2007-05-03T12:05:30Z\"}");
+      .isEqualTo("{\"href\":\"http://example.com/repo/space/X.git/info/lfs/\",\"header\":{\"Authorization\":\"Bearer ACCESS_TOKEN\"},\"expires_at\":\"2007-05-03T10:15:30Z\"}");
   }
 
   private CommandContext createCommandContext() {