diff --git a/config.def.h b/config.def.h
index d4fd659..04fa64a 100644
--- a/config.def.h
+++ b/config.def.h
@@ -43,6 +43,7 @@ static const MonitorRule monrules[] = {
 	/* example of a HiDPI laptop monitor:
 	{ "eDP-1",    0.5f,  1,      2,    &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL,   -1,  -1 },
 	*/
+	{ "DP-3",     0.5,  1,      1.5,  &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL,   -1,  -1 },
 	/* defaults */
 	{ NULL,       0.55f, 1,      1,    &layouts[0], WL_OUTPUT_TRANSFORM_NORMAL,   -1,  -1 },
 };