diff --git a/examples/07-callback/callback.cpp b/examples/07-callback/callback.cpp
index 62eac1ba4..cd816dba2 100644
--- a/examples/07-callback/callback.cpp
+++ b/examples/07-callback/callback.cpp
@@ -349,9 +349,6 @@ public:
 		// Enable debug text.
 		bgfx::setDebug(m_debug);
 
-		// Set view 0 default viewport.
-		bgfx::setViewRect(0, 0, 0, 1280, 720);
-
 		// Set view 0 clear state.
 		bgfx::setViewClear(0
 			, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
@@ -430,6 +427,9 @@ public:
 
 		if (!exit)
 		{
+			// Set view 0 default viewport.
+			bgfx::setViewRect(0, 0, 0, bgfx::BackbufferRatio::Equal);
+
 			// This dummy draw call is here to make sure that view 0 is cleared
 			// if no other draw calls are submitted to view 0.
 			bgfx::touch(0);