diff --git a/kraken/KRMesh.cpp b/kraken/KRMesh.cpp
index 1081a24..0ce852c 100755
--- a/kraken/KRMesh.cpp
+++ b/kraken/KRMesh.cpp
@@ -1121,7 +1121,7 @@ size_t KRMesh::AttributeOffset(__int32_t vertex_attrib, __int32_t vertex_attrib_
   return VertexSizeForAttributes(mask);
 }
 
-VkFormat KRMesh::AttributeVulkanFormat(__int32 vertex_attrib)
+VkFormat KRMesh::AttributeVulkanFormat(__int32_t vertex_attrib)
 {
   switch (vertex_attrib) {
   case KRENGINE_ATTRIB_VERTEX:
diff --git a/kraken/KRMesh.h b/kraken/KRMesh.h
index af0ef2a..01000de 100755
--- a/kraken/KRMesh.h
+++ b/kraken/KRMesh.h
@@ -220,7 +220,7 @@ public:
 
   static size_t VertexSizeForAttributes(__int32_t vertex_attrib_flags);
   static size_t AttributeOffset(__int32_t vertex_attrib, __int32_t vertex_attrib_flags);
-  static VkFormat AttributeVulkanFormat(__int32 vertex_attrib);
+  static VkFormat AttributeVulkanFormat(__int32_t vertex_attrib);
 
   int getBoneCount();
   char* getBoneName(int bone_index);