diff --git a/Effects/bowwave.eff b/Effects/bowwave.eff
index f0d0ebddc..9facbc888 100644
--- a/Effects/bowwave.eff
+++ b/Effects/bowwave.eff
@@ -120,6 +120,7 @@
 	<technique n="9">
 		<predicate>
 			<and>
+				<property>/sim/rendering/shaders/quality-level</property>
 				<property>/sim/rendering/shaders/water</property>
 				<less-equal>
 					<value type="float">2.0</value>
@@ -495,6 +496,7 @@
 	<technique n="11"> <!-- FIXME: this technique number overlaps the one in model-default -->
 		<predicate>
 			<and>
+				<property>/sim/rendering/shaders/quality-level</property>
 				<property>/sim/rendering/shaders/water</property>
 				<or>
 					<less-equal>
diff --git a/Effects/bumpspec.eff b/Effects/bumpspec.eff
index ed49fbbfb..41fcf0f03 100644
--- a/Effects/bumpspec.eff
+++ b/Effects/bumpspec.eff
@@ -37,6 +37,7 @@ in Aircraft/A320/Models/Effects/a320_bumpspec.eff ( or whatever, private to the
   <technique n="11"> <!-- This number should be the same than the second technique in model-default -->
     <predicate>
       <and>
+		<property>/sim/rendering/shaders/quality-level</property>
         <property>/sim/rendering/shaders/model</property>
         <or>
           <less-equal>