diff --git a/src/libslic3r/Emboss.cpp b/src/libslic3r/Emboss.cpp
index 1f8788327..ef357c4ff 100644
--- a/src/libslic3r/Emboss.cpp
+++ b/src/libslic3r/Emboss.cpp
@@ -651,9 +651,10 @@ std::optional<Emboss::Glyph> Emboss::letter2glyph(const FontFile &font,
     return Private::get_glyph(*font_info_opt, letter, flatness);
 }
 
-ExPolygons Emboss::text2shapes(FontFileWithCache &font_with_cache,
-                               const char *    text,
-                               const FontProp &font_prop)
+ExPolygons Emboss::text2shapes(FontFileWithCache    &font_with_cache,
+                               const char           *text,
+                               const FontProp       &font_prop,
+                               std::function<bool()> was_canceled)
 {
     assert(font_with_cache.has_value());
     std::optional<stbtt_fontinfo> font_info_opt;    
@@ -688,7 +689,11 @@ ExPolygons Emboss::text2shapes(FontFileWithCache &font_with_cache,
         if (wc == '\r') continue;
 
         int unicode = static_cast<int>(wc);
-        const Glyph* glyph_ptr = Private::get_glyph(unicode, font, font_prop, cache, font_info_opt);
+        // check cancelation only before unknown symbol - loading of symbol could be timeconsuming on slow computer and dificult fonts
+        auto it = cache.find(unicode);
+        if (it == cache.end() && was_canceled != nullptr && was_canceled()) return {};
+        const Glyph *glyph_ptr = (it != cache.end())? &it->second :
+            Private::get_glyph(unicode, font, font_prop, cache, font_info_opt);
         if (glyph_ptr == nullptr) continue;
         
         // move glyph to cursor position
diff --git a/src/libslic3r/Emboss.hpp b/src/libslic3r/Emboss.hpp
index e11dfb7a7..9747186a3 100644
--- a/src/libslic3r/Emboss.hpp
+++ b/src/libslic3r/Emboss.hpp
@@ -152,8 +152,9 @@ public:
     /// <param name="font">Define fonts + cache, which could extend</param>
     /// <param name="text">Characters to convert</param>
     /// <param name="font_prop">User defined property of the font</param>
+    /// <param name="was_canceled">Way to interupt processing</param>
     /// <returns>Inner polygon cw(outer ccw)</returns>
-    static ExPolygons text2shapes(FontFileWithCache &font, const char *text, const FontProp &font_prop);
+    static ExPolygons text2shapes(FontFileWithCache &font, const char *text, const FontProp &font_prop, std::function<bool()> was_canceled = nullptr);
 
     /// <summary>
     /// Fix intersections and self intersections in polygons glyph shape 
diff --git a/src/slic3r/GUI/Jobs/CreateFontNameImageJob.cpp b/src/slic3r/GUI/Jobs/CreateFontNameImageJob.cpp
index 98dc3121a..94879f6cc 100644
--- a/src/slic3r/GUI/Jobs/CreateFontNameImageJob.cpp
+++ b/src/slic3r/GUI/Jobs/CreateFontNameImageJob.cpp
@@ -45,8 +45,8 @@ void CreateFontImageJob::process(Ctl &ctl)
         text = text.substr(0, enter_pos);        
     }    
 
-    ExPolygons shapes = Emboss::text2shapes(font_file_with_cache,
-                                            text.c_str(), fp);
+    std::function<bool()> was_canceled = [&ctl]() -> bool { return ctl.was_canceled(); };
+    ExPolygons shapes = Emboss::text2shapes(font_file_with_cache, text.c_str(), fp, was_canceled);
     // normalize height of font
     BoundingBox bounding_box;
     for (ExPolygon &shape : shapes)
diff --git a/src/slic3r/GUI/Jobs/EmbossJob.cpp b/src/slic3r/GUI/Jobs/EmbossJob.cpp
index c05c2357d..17d90f98e 100644
--- a/src/slic3r/GUI/Jobs/EmbossJob.cpp
+++ b/src/slic3r/GUI/Jobs/EmbossJob.cpp
@@ -521,7 +521,7 @@ TriangleMesh priv::try_create_mesh(const EmbossDataBase &input, Emboss::FontFile
     assert(font.has_value());
     if (!font.has_value()) return {};
 
-    ExPolygons shapes = Emboss::text2shapes(font, text, prop);
+    ExPolygons shapes = Emboss::text2shapes(font, text, prop, was_canceled);
     if (shapes.empty()) return {};
     if (was_canceled()) return {};