diff --git a/packages/Avalonia/AvaloniaBuildTasks.targets b/packages/Avalonia/AvaloniaBuildTasks.targets
index ec1ef7b46c..66078ff41e 100644
--- a/packages/Avalonia/AvaloniaBuildTasks.targets
+++ b/packages/Avalonia/AvaloniaBuildTasks.targets
@@ -39,7 +39,11 @@
                       Condition="'$(ApplicationIcon)' != ''" />
   </ItemGroup>
 
-  <Target Name="_InjectAvaloniaAdditionalFiles" BeforeTargets="GenerateMSBuildEditorConfigFileShouldRun">
+  <!-- GenerateAvaloniaResources adds AvaloniaXaml to AvaloniaResource, so it has to run first
+       or the items read below are incomplete. -->
+  <Target Name="_InjectAvaloniaAdditionalFiles"
+          BeforeTargets="GenerateMSBuildEditorConfigFileShouldRun"
+          DependsOnTargets="GenerateAvaloniaResources">
     <!-- Include AvaloniaXaml and AvaloniaResource (XAML only) as a Roslyn-visible additional files. -->
     <!-- This is necessary to use these files in source generators and other Roslyn-based extension. -->
     <!-- AdditionalFiles ensures that each file has Compilation available for them. -->