diff --git a/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs b/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs
index 110d8201e5..0ec9addf36 100644
--- a/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs
+++ b/BizHawk.Client.EmuHawk/DisplayManager/DisplayManager.cs
@@ -610,18 +610,19 @@ namespace BizHawk.Client.EmuHawk
 
 		FilterProgram UpdateSourceInternal(JobInfo job)
 		{
-			if (job.chain_outsize.Width == 0 || job.chain_outsize.Height == 0)
-			{
-				//this has to be a NOP, because lots of stuff will malfunction on a 0-sized viewport
-				return null;
-			}
-
 			//no drawing actually happens. it's important not to begin drawing on a control
 			if (!job.simulate && !job.offscreen)
 			{
 				GLManager.Activate(CR_GraphicsControl);
 			}
 
+			if (job.chain_outsize.Width == 0 || job.chain_outsize.Height == 0)
+			{
+				//this has to be a NOP, because lots of stuff will malfunction on a 0-sized viewport
+				UpdateSourceDrawingWork(job); //but we still need to do this, because of vsync
+				return null;
+			}
+
 			IVideoProvider videoProvider = job.videoProvider;
 			bool simulate = job.simulate;
 			Size chain_outsize = job.chain_outsize;