diff --git a/plugin/protocol/http/src/http_convert.cpp b/plugin/protocol/http/src/http_convert.cpp
index 8e82070..89874ae 100644
--- a/plugin/protocol/http/src/http_convert.cpp
+++ b/plugin/protocol/http/src/http_convert.cpp
@@ -392,8 +392,15 @@ int hf_content_compress_write(struct hf_content_compress * cv_object,
 
 void hf_content_compress_destroy(hf_content_compress * cv_object)
 {
-    (void) deflateEnd(cv_object->z_stream_ptr);
-    free(cv_object->z_stream_ptr);
-    cv_object->z_stream_ptr = NULL;
+	if (cv_object->brenc_state) {
+		BrotliEncoderDestroyInstance(cv_object->brenc_state);
+		cv_object->brenc_state = NULL;
+	}
+
+	if (cv_object->z_stream_ptr) {
+		(void) deflateEnd(cv_object->z_stream_ptr);
+		free(cv_object->z_stream_ptr);
+		cv_object->z_stream_ptr = NULL;
+	}
     free(cv_object);
 }