diff --git a/gui/dialogs/rendering.xml b/gui/dialogs/rendering.xml
index 3c6805582..d1c6333f1 100644
--- a/gui/dialogs/rendering.xml
+++ b/gui/dialogs/rendering.xml
@@ -341,7 +341,7 @@
 					<stretch>true</stretch>
 				</hrule>
 			</group>
-			
+
 			<group>
 				<layout>hbox</layout>
 
@@ -353,6 +353,7 @@
 					<min>0.0</min>
 					<max>5.0</max>
 					<step>1.0</step>
+					<fraction>0.17</fraction>
 					<property>/sim/rendering/shaders/quality-level</property>
 					<binding>
 						<command>dialog-apply</command>
@@ -369,7 +370,7 @@
 					<property>/sim/rendering/shaders/quality-level</property>
 				</text>
 			</group>
-				
+
 			<group>
 				<layout>hbox</layout>
 				<button>
@@ -382,7 +383,7 @@
 						<dialog-name>shaders</dialog-name>
 					</binding>
 				</button>
-				
+
 				<group>
 					<layout>vbox</layout>
 					<text>
@@ -416,7 +417,7 @@
 					</text>
 				</group>
 			</group>
-			
+
 			<group>
 				<layout>hbox</layout>
 				<text>
@@ -430,11 +431,11 @@
 					<stretch>true</stretch>
 				</hrule>
 			</group>
-			
+
 			<group>
 				<layout>hbox</layout>
 				<halign>right</halign>
-				
+
 				<text>
 					<label>Snow line</label>
 					<enable>
@@ -465,13 +466,13 @@
 					</enable>
 					<min>0.0</min>
 					<max>5000.0</max>
-					<property>/environment/snow-level-m</property>
+					<property>/sim/rendering/snow-level-m </property>
 					<binding>
-					<command>dialog-apply</command>
-					<object-name>snow-level</object-name>
+						<command>dialog-apply</command>
+						<object-name>snow-level</object-name>
 					</binding>
 				</slider>
-            
+
 				<text>
 					<halign>left</halign>
 					<enable>
@@ -488,10 +489,10 @@
 					<label>12345678</label>
 					<format>%.fm</format>
 					<live>true</live>
-					<property>/environment/snow-level-m</property>
+					<property>/sim/rendering/snow-level-m </property>
 				</text>
 			</group>
-			
+
 			<group>
 				<layout>hbox</layout>
 				<text>
@@ -510,7 +511,7 @@
 					<stretch>true</stretch>
 				</hrule>
 			</group>
-			
+
 			<group>
 				<layout>vbox</layout>
 				<checkbox>
@@ -570,7 +571,7 @@
 					<property>/sim/rendering/mie</property>
 				</text>
 			</group>
-			
+
 			<group>
 				<layout>hbox</layout>
 				<halign>right</halign>
@@ -656,7 +657,7 @@
 					<property>/sim/rendering/dome-density</property>
 				</text>
 			</group>
-			
+
 			<empty>
 				<stretch>1</stretch>
 			</empty>
diff --git a/gui/dialogs/shaders.xml b/gui/dialogs/shaders.xml
index 32e8406c7..75a4c462f 100644
--- a/gui/dialogs/shaders.xml
+++ b/gui/dialogs/shaders.xml
@@ -184,6 +184,7 @@
 				<min>0.0</min>
 				<max>5.0</max>
 				<step>1.0</step>
+				<fraction>0.17</fraction>
 				<property>/sim/rendering/shaders/urban</property>
 				<binding>
 					<command>dialog-apply</command>
@@ -196,6 +197,7 @@
 				<min>0.0</min>
 				<max>5.0</max>
 				<step>1.0</step>
+				<fraction>0.17</fraction>
 				<property>/sim/rendering/shaders/water</property>
 				<binding>
 					<command>dialog-apply</command>