diff --git a/src/Snap/Core/SnapPackageManager.cs b/src/Snap/Core/SnapPackageManager.cs
index 5e31cacb..c2fdbdd4 100644
--- a/src/Snap/Core/SnapPackageManager.cs
+++ b/src/Snap/Core/SnapPackageManager.cs
@@ -480,7 +480,8 @@ async Task<bool> ReassembleAsync()
                         var snapReleases = new List<SnapRelease>();
 
                         var mostRecentDeltaSnapRelease = snapAppChannelReleases.GetDeltaReleases().LastOrDefault();                                
-                        if (mostRecentDeltaSnapRelease != null)
+                        if (restoreSummary.ChecksumSummary.Any(x => !x.Ok) 
+                            && mostRecentDeltaSnapRelease != null)
                         {
                             var mostRecentFullSnapRelease = restoreSummary.ChecksumSummary.SingleOrDefault(x =>
                                 x.Ok