diff --git a/include/bgfx.c99.h b/include/bgfx.c99.h
index df1930e5f..f5a6fa7b0 100644
--- a/include/bgfx.c99.h
+++ b/include/bgfx.c99.h
@@ -725,7 +725,7 @@ BGFX_C_API void bgfx_destroy_dynamic_index_buffer(bgfx_dynamic_index_buffer_hand
  *  @param _num Number of vertices.
  *  @param _decl Vertex declaration.
  */
-BGFX_C_API bgfx_dynamic_vertex_buffer_handle_t bgfx_create_dynamic_vertex_buffer(uint16_t _num, const bgfx_vertex_decl_t* _decl, uint8_t _flags);
+BGFX_C_API bgfx_dynamic_vertex_buffer_handle_t bgfx_create_dynamic_vertex_buffer(uint32_t _num, const bgfx_vertex_decl_t* _decl, uint8_t _flags);
 
 /**
  *  Create dynamic vertex buffer and initialize it.
@@ -816,7 +816,7 @@ BGFX_C_API void bgfx_alloc_transient_vertex_buffer(bgfx_transient_vertex_buffer_
  *  NOTE:
  *    Only 16-bit index buffer is supported.
  */
-BGFX_C_API bool bgfx_alloc_transient_buffers(bgfx_transient_vertex_buffer_t* _tvb, const bgfx_vertex_decl_t* _decl, uint16_t _numVertices, bgfx_transient_index_buffer_t* _tib, uint16_t _numIndices);
+BGFX_C_API bool bgfx_alloc_transient_buffers(bgfx_transient_vertex_buffer_t* _tvb, const bgfx_vertex_decl_t* _decl, uint32_t _numVertices, bgfx_transient_index_buffer_t* _tib, uint32_t _numIndices);
 
 /**
  *  Allocate instance data buffer.
diff --git a/src/bgfx.cpp b/src/bgfx.cpp
index 6dce96474..27a222230 100644
--- a/src/bgfx.cpp
+++ b/src/bgfx.cpp
@@ -3100,7 +3100,7 @@ BGFX_C_API void bgfx_destroy_dynamic_index_buffer(bgfx_dynamic_index_buffer_hand
 	bgfx::destroyDynamicIndexBuffer(handle.cpp);
 }
 
-BGFX_C_API bgfx_dynamic_vertex_buffer_handle_t bgfx_create_dynamic_vertex_buffer(uint16_t _num, const bgfx_vertex_decl_t* _decl, uint8_t _flags)
+BGFX_C_API bgfx_dynamic_vertex_buffer_handle_t bgfx_create_dynamic_vertex_buffer(uint32_t _num, const bgfx_vertex_decl_t* _decl, uint8_t _flags)
 {
 	const bgfx::VertexDecl& decl = *(const bgfx::VertexDecl*)_decl;
 	union { bgfx_dynamic_vertex_buffer_handle_t c; bgfx::DynamicVertexBufferHandle cpp; } handle;
@@ -3161,7 +3161,7 @@ BGFX_C_API void bgfx_alloc_transient_vertex_buffer(bgfx_transient_vertex_buffer_
 	bgfx::allocTransientVertexBuffer( (bgfx::TransientVertexBuffer*)_tvb, _num, decl);
 }
 
-BGFX_C_API bool bgfx_alloc_transient_buffers(bgfx_transient_vertex_buffer_t* _tvb, const bgfx_vertex_decl_t* _decl, uint16_t _numVertices, bgfx_transient_index_buffer_t* _tib, uint16_t _numIndices)
+BGFX_C_API bool bgfx_alloc_transient_buffers(bgfx_transient_vertex_buffer_t* _tvb, const bgfx_vertex_decl_t* _decl, uint32_t _numVertices, bgfx_transient_index_buffer_t* _tib, uint32_t _numIndices)
 {
 	const bgfx::VertexDecl& decl = *(const bgfx::VertexDecl*)_decl;
 	return bgfx::allocTransientBuffers( (bgfx::TransientVertexBuffer*)_tvb, decl, _numVertices, (bgfx::TransientIndexBuffer*)_tib, _numIndices);