diff --git a/src/slic3r/GUI/ConfigWizard.cpp b/src/slic3r/GUI/ConfigWizard.cpp
index 5c6811932e..d42d95f558 100644
--- a/src/slic3r/GUI/ConfigWizard.cpp
+++ b/src/slic3r/GUI/ConfigWizard.cpp
@@ -2603,7 +2603,7 @@ void ConfigWizard::priv::update_materials(Technology technology)
         }
         if (printer) {
             materials.add_printer(printer);
-            materials.compatibility_counter[preset.alias]++;
+            materials.compatibility_counter[preset.alias].insert(printer);
         }
     };
 
diff --git a/src/slic3r/GUI/ConfigWizard_private.hpp b/src/slic3r/GUI/ConfigWizard_private.hpp
index 3bbc9649d9..696372b68e 100644
--- a/src/slic3r/GUI/ConfigWizard_private.hpp
+++ b/src/slic3r/GUI/ConfigWizard_private.hpp
@@ -323,8 +323,8 @@ struct Materials
     Technology technology;
     // use vector for the presets to purpose of save of presets sorting in the bundle
     std::vector<const Preset*> presets;
-    // String is alias of material, size_t number of compatible printers counters
-    std::map<std::string, size_t> compatibility_counter;
+    // String is alias of material, set is set of compatible printers
+    std::map<std::string, std::set<const Preset*>> compatibility_counter;
     std::set<std::string> types;
     std::set<const Preset*> printers;
 
@@ -358,7 +358,7 @@ struct Materials
     size_t get_printer_counter(const Preset* preset) {
         for (auto it : compatibility_counter) {
             if (it.first == preset->alias)
-                return it.second;
+                return it.second.size();
         }
         return 0;
     }