diff --git a/Source/Core/VideoCommon/Src/RenderBase.cpp b/Source/Core/VideoCommon/Src/RenderBase.cpp
index 9029f5eff9..237605ccf3 100644
--- a/Source/Core/VideoCommon/Src/RenderBase.cpp
+++ b/Source/Core/VideoCommon/Src/RenderBase.cpp
@@ -178,13 +178,10 @@ bool Renderer::CalculateTargetSize(int multiplier)
 	newEFBWidth *= multiplier;
 	newEFBHeight *= multiplier;
 
-	s_Fulltarget_width = newEFBWidth;
-	s_Fulltarget_height = newEFBHeight;
-
 	if (newEFBWidth != s_target_width || newEFBHeight != s_target_height)
 	{
-		s_target_width  = newEFBWidth;
-		s_target_height = newEFBHeight;
+		s_Fulltarget_width = s_target_width  = newEFBWidth;
+		s_Fulltarget_height = s_target_height = newEFBHeight;
 		return true;
 	}
 	return false;
diff --git a/Source/Plugins/Plugin_VideoDX11/Src/Render.cpp b/Source/Plugins/Plugin_VideoDX11/Src/Render.cpp
index 21e9278f70..2239d41a71 100644
--- a/Source/Plugins/Plugin_VideoDX11/Src/Render.cpp
+++ b/Source/Plugins/Plugin_VideoDX11/Src/Render.cpp
@@ -707,6 +707,7 @@ void Renderer::UpdateViewport()
 	float newy = (float)Y;
 	float newwidth = (float)Width;
 	float newheight = (float)Height;
+	// TODO: If the size hasn't changed for X frames, we should probably shrink the EFB texture for performance reasons
 	if (sizeChanged)
 	{
 		// Make sure that the requested size is actually supported by the GFX driver
diff --git a/Source/Plugins/Plugin_VideoDX9/Src/Render.cpp b/Source/Plugins/Plugin_VideoDX9/Src/Render.cpp
index 765f337bed..75bb25b97e 100644
--- a/Source/Plugins/Plugin_VideoDX9/Src/Render.cpp
+++ b/Source/Plugins/Plugin_VideoDX9/Src/Render.cpp
@@ -747,6 +747,8 @@ void Renderer::UpdateViewport()
 			sizeChanged = true;
 		}
 	}
+
+	// TODO: If the size hasn't changed for X frames, we should probably shrink the EFB texture for performance reasons
 	if (sizeChanged)
 	{
 		const int ideal_width = s_Fulltarget_width;