diff --git a/Source/Core/VideoBackends/OGL/Src/Render.cpp b/Source/Core/VideoBackends/OGL/Src/Render.cpp
index e507fc45cd..9234a8a6e2 100644
--- a/Source/Core/VideoBackends/OGL/Src/Render.cpp
+++ b/Source/Core/VideoBackends/OGL/Src/Render.cpp
@@ -1134,7 +1134,7 @@ void Renderer::UpdateViewport(Matrix44& vpCorrection)
 	}
 	else
 	{
-		glViewport(round(X), round(Y), round(Width), round(Height));
+		glViewport(ceil(X), ceil(Y), ceil(Width), ceil(Height));
 	}
 	glDepthRangef(GLNear, GLFar);
 }