diff --git a/include/CSFML/Graphics/VertexBuffer.h b/include/CSFML/Graphics/VertexBuffer.h
index 39c69e0..6060bc9 100644
--- a/include/CSFML/Graphics/VertexBuffer.h
+++ b/include/CSFML/Graphics/VertexBuffer.h
@@ -69,7 +69,7 @@ typedef enum
 /// \return A new sfVertexBuffer object
 ///
 ////////////////////////////////////////////////////////////
-CSFML_GRAPHICS_API sfVertexBuffer* sfVertexBuffer_create(unsigned int vertexCount, sfPrimitiveType type, sfVertexBufferUsage usage);
+CSFML_GRAPHICS_API sfVertexBuffer* sfVertexBuffer_create(size_t vertexCount, sfPrimitiveType type, sfVertexBufferUsage usage);
 
 ////////////////////////////////////////////////////////////
 /// \brief Copy an existing vertex buffer
diff --git a/src/CSFML/Graphics/VertexBuffer.cpp b/src/CSFML/Graphics/VertexBuffer.cpp
index 3fff3b8..3305ed7 100644
--- a/src/CSFML/Graphics/VertexBuffer.cpp
+++ b/src/CSFML/Graphics/VertexBuffer.cpp
@@ -30,7 +30,7 @@
 
 
 ////////////////////////////////////////////////////////////
-sfVertexBuffer* sfVertexBuffer_create(unsigned int vertexCount, sfPrimitiveType type, sfVertexBufferUsage usage)
+sfVertexBuffer* sfVertexBuffer_create(size_t vertexCount, sfPrimitiveType type, sfVertexBufferUsage usage)
 {
     auto buffer = std::make_unique<sfVertexBuffer>();
     if (!buffer->create(vertexCount))