diff --git a/src/libs/ifc/xml/vabstractpattern.cpp b/src/libs/ifc/xml/vabstractpattern.cpp
index c8626c8d0..49e0e4e53 100644
--- a/src/libs/ifc/xml/vabstractpattern.cpp
+++ b/src/libs/ifc/xml/vabstractpattern.cpp
@@ -2066,7 +2066,7 @@ QMap<int, QString> VAbstractPattern::GetMaterials(const QDomElement &element) co
         {
             if (tagMaterial.tagName() == TagMaterial)
             {
-                const int number = GetParametrUInt(tagMaterial, AttrNumber, "0");
+                const int number = static_cast<int>(GetParametrUInt(tagMaterial, AttrNumber, "0"));
                 const QString name = GetParametrEmptyString(tagMaterial, AttrName);
 
                 if (number > 0 && number <= userMaterialPlaceholdersQuantity)