diff --git a/Effects/model-default.eff b/Effects/model-default.eff
index a332b8245..23f7eb1d5 100644
--- a/Effects/model-default.eff
+++ b/Effects/model-default.eff
@@ -35,6 +35,9 @@
 	<technique n="10">
 		<predicate>
 			<and>
+				<not>
+					<property>/sim/rendering/rembrandt</property>
+				</not>
 				<property>/sim/rendering/shaders/generic</property>
 				<or>
 					<less-equal>
@@ -192,6 +195,11 @@
 		</pass>
 	</technique>
 	<technique n="11">
+		<predicate>
+			<not>
+				<property>/sim/rendering/rembrandt</property>
+			</not>
+		</predicate>
 		<pass>
 			<lighting>true</lighting>
 			<material>
diff --git a/preferences.xml b/preferences.xml
index 1f50279c9..6344e8db2 100644
--- a/preferences.xml
+++ b/preferences.xml
@@ -64,6 +64,7 @@ Started September 2000 by David Megginson, david@megginson.com
 			<season type="string" preserve="y">summer</season>
 		</startup>
 		<rendering>
+			<rembrandt type="bool">false</rembrandt>
 			<debug type="bool">false</debug>
 			<realism type="int">5</realism>
 			<filtering type="int">8</filtering>