diff --git a/src/Trade/AbstractMaterialData.cpp b/src/Trade/AbstractMaterialData.cpp
index 39135072c..d62afcf40 100644
--- a/src/Trade/AbstractMaterialData.cpp
+++ b/src/Trade/AbstractMaterialData.cpp
@@ -26,7 +26,7 @@
 
 namespace Magnum { namespace Trade {
 
-AbstractMaterialData::AbstractMaterialData(AbstractMaterialData::Type type): _type(type) {}
+AbstractMaterialData::AbstractMaterialData(Type type): _type(type) {}
 
 AbstractMaterialData::~AbstractMaterialData() {}
 
diff --git a/src/Trade/AbstractMaterialData.h b/src/Trade/AbstractMaterialData.h
index 4c4cd9903..23654384e 100644
--- a/src/Trade/AbstractMaterialData.h
+++ b/src/Trade/AbstractMaterialData.h
@@ -29,6 +29,7 @@
  */
 
 #include "magnumVisibility.h"
+#include "Types.h"
 
 namespace Magnum { namespace Trade {
 
@@ -45,7 +46,7 @@ class MAGNUM_EXPORT AbstractMaterialData {
 
     public:
         /** @brief Material type */
-        enum Type {
+        enum class Type: UnsignedByte {
             Phong       /**< Phong shading */
         };
 
diff --git a/src/Trade/PhongMaterialData.cpp b/src/Trade/PhongMaterialData.cpp
index 5f640a4fa..339ced677 100644
--- a/src/Trade/PhongMaterialData.cpp
+++ b/src/Trade/PhongMaterialData.cpp
@@ -26,6 +26,6 @@
 
 namespace Magnum { namespace Trade {
 
-PhongMaterialData::PhongMaterialData(const Vector3& ambientColor, const Vector3& diffuseColor, const Vector3& specularColor, Float shininess): AbstractMaterialData(Phong), _ambientColor(ambientColor), _diffuseColor(diffuseColor), _specularColor(specularColor), _shininess(shininess) {}
+PhongMaterialData::PhongMaterialData(const Vector3& ambientColor, const Vector3& diffuseColor, const Vector3& specularColor, Float shininess): AbstractMaterialData(Type::Phong), _ambientColor(ambientColor), _diffuseColor(diffuseColor), _specularColor(specularColor), _shininess(shininess) {}
 
 }}