diff --git a/src/libslic3r/Emboss.cpp b/src/libslic3r/Emboss.cpp
index c23b731182..23a3d244a0 100644
--- a/src/libslic3r/Emboss.cpp
+++ b/src/libslic3r/Emboss.cpp
@@ -431,7 +431,7 @@ std::optional<std::wstring> Emboss::get_font_path(const std::wstring &font_face_
 }
 #endif
 
-std::unique_ptr<Emboss::Font> Emboss::load_font(const std::vector<unsigned char>&& data)
+std::unique_ptr<Emboss::Font> Emboss::load_font(std::vector<unsigned char>&& data)
 {
     unsigned int collection_size = 0;
     int font_offset = 0;
diff --git a/src/libslic3r/Emboss.hpp b/src/libslic3r/Emboss.hpp
index f928397349..13a95df3f7 100644
--- a/src/libslic3r/Emboss.hpp
+++ b/src/libslic3r/Emboss.hpp
@@ -67,7 +67,7 @@ public:
 
         Emboss::Glyphs cache; // cache of glyphs
 
-        Font(const std::vector<unsigned char> &&buffer,
+        Font(std::vector<unsigned char> &&buffer,
              unsigned int                 count,
              int                          ascent,
              int                          descent,
@@ -88,7 +88,7 @@ public:
     /// <returns>Font object when loaded.</returns>
     static std::unique_ptr<Font> load_font(const char *file_path);
     // data = raw file data
-    static std::unique_ptr<Font> load_font(const std::vector<unsigned char>&& data);
+    static std::unique_ptr<Font> load_font(std::vector<unsigned char>&& data);
 #ifdef _WIN32
     // fix for unknown pointer HFONT
     using HFONT = void*;