diff --git a/example/Vulkan/VKCommandBuffer.cpp b/example/Vulkan/VKCommandBuffer.cpp
index 1d3f4824..5aa7fdde 100644
--- a/example/Vulkan/VKCommandBuffer.cpp
+++ b/example/Vulkan/VKCommandBuffer.cpp
@@ -53,6 +53,17 @@ bool CommandBuffer::Begin(RenderPass *rp,Framebuffer *fb)
     rp_begin.pClearValues = clear_values;
 
     vkCmdBeginRenderPass(cmd_buf, &rp_begin, VK_SUBPASS_CONTENTS_INLINE);
+
+    viewport.x=0;
+    viewport.y=0;
+    viewport.minDepth=0.0f;
+    viewport.maxDepth=1.0f;
+    viewport.width=render_area.extent.width;
+    viewport.height=render_area.extent.height;
+
+    vkCmdSetViewport(cmd_buf,0,1,&viewport);
+    vkCmdSetScissor(cmd_buf,0,1,&render_area);
+
     return(true);
 }
 
diff --git a/example/Vulkan/VKCommandBuffer.h b/example/Vulkan/VKCommandBuffer.h
index 80deb4e0..3f338a67 100644
--- a/example/Vulkan/VKCommandBuffer.h
+++ b/example/Vulkan/VKCommandBuffer.h
@@ -17,6 +17,7 @@ class CommandBuffer
 
     VkClearValue clear_values[2];
     VkRect2D render_area;
+    VkViewport viewport;
 
 public: