diff --git a/src/processors/hybi_legacy.hpp b/src/processors/hybi_legacy.hpp
index 6d763538cca..836d0ee727d 100644
--- a/src/processors/hybi_legacy.hpp
+++ b/src/processors/hybi_legacy.hpp
@@ -199,7 +199,7 @@ class hybi_legacy : public processor_base {
                 if (m_data_message) {
                     size_t num;
                     
-                    input.get(m_payload_buffer, PAYLOAD_BUFFER_SIZE, 0xFF);
+                    input.get(m_payload_buffer, PAYLOAD_BUFFER_SIZE, '\xFF');
                     
                     num = static_cast<size_t>(input.gcount());