diff --git a/src/v_video.cpp b/src/v_video.cpp
index c51f13cfc..6beb89292 100644
--- a/src/v_video.cpp
+++ b/src/v_video.cpp
@@ -1485,6 +1485,12 @@ bool V_DoModeSetup (int width, int height, int bits)
 		{
 			CleanXfac_1 = MAX(CleanXfac - 1, 1);
 			CleanYfac_1 = MAX(CleanYfac - 1, 1);
+			// On larger screens this is not enough so make sure it's at most 3/4 of the screen's width
+			while (CleanXfac_1 * 320 > screen->GetWidth()*3/4 && CleanXfac_1 > 2)
+			{
+				CleanXfac_1--;
+				CleanYfac_1--;
+			}
 		}
 		CleanWidth_1 = width / CleanXfac_1;
 		CleanHeight_1 = height / CleanYfac_1;