diff --git a/tests/Serval.E2ETests/ServalClientHelper.cs b/tests/Serval.E2ETests/ServalClientHelper.cs
index 0a1423a6..d00e78c5 100644
--- a/tests/Serval.E2ETests/ServalClientHelper.cs
+++ b/tests/Serval.E2ETests/ServalClientHelper.cs
@@ -125,7 +125,7 @@ public async Task BuildEngine(string engineId)
                     // build completed
                     break;
                 }
-                revision++;
+                revision = result.Revision;
             }
             catch (TaskCanceledException e)
             {