diff --git a/docs/src/content/docs/changelog.mdx b/docs/src/content/docs/changelog.mdx
index 145942306..2f3d83917 100644
--- a/docs/src/content/docs/changelog.mdx
+++ b/docs/src/content/docs/changelog.mdx
@@ -124,6 +124,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fixed transparency issue for frameless windows by [@leaanthony](https://github.com/leaanthony) based on work by @kron.
 - Fixed focus calls when window is disabled or minimised by [@leaanthony](https://github.com/leaanthony) based on work by @kron.
 - Fixed system trays not showing after taskbar restarts by [@leaanthony](https://github.com/leaanthony) based on work by @kron.
+- Fixed fallbackResponseWriter not implementing Flush() in
+[#4245](https://github.com/wailsapp/wails/pull/4245)
 
 ### Changed
 
diff --git a/v3/internal/assetserver/fallback_response_writer.go b/v3/internal/assetserver/fallback_response_writer.go
index cd5a5d9e3..c26d3cc52 100644
--- a/v3/internal/assetserver/fallback_response_writer.go
+++ b/v3/internal/assetserver/fallback_response_writer.go
@@ -71,3 +71,10 @@ func (fw *fallbackResponseWriter) WriteHeader(statusCode int) {
 
 	fw.rw.WriteHeader(statusCode)
 }
+
+// Flush implements the http.Flusher interface.
+func (rw *fallbackResponseWriter) Flush() {
+	if f, ok := rw.rw.(http.Flusher); ok {
+		f.Flush()
+	}
+}