diff --git a/src/Xamarin.Android.Build.Tasks/Tasks/BuildApk.cs b/src/Xamarin.Android.Build.Tasks/Tasks/BuildApk.cs
index ce44c06404c..03f74d08ae1 100644
--- a/src/Xamarin.Android.Build.Tasks/Tasks/BuildApk.cs
+++ b/src/Xamarin.Android.Build.Tasks/Tasks/BuildApk.cs
@@ -168,8 +168,10 @@ void ExecuteWithAbi (string [] supportedAbis, string apkInputPath, string apkOut
 							apk.Archive.AddStream (ms, entryName, compressionMethod: entry.CompressionMethod);
 						}
 					}
+					apk.Flush ();
 				}
-				apk.FixupWindowsPathSeparators ((a, b) => Log.LogDebugMessage ($"Fixing up malformed entry `{a}` -> `{b}`"));
+				// this call should be redundant now
+				//apk.FixupWindowsPathSeparators ((a, b) => Log.LogDebugMessage ($"Fixing up malformed entry `{a}` -> `{b}`"));
 
 				// Add classes.dx
 				foreach (var dex in DalvikClasses) {