diff --git a/gui/sliderule/assets.tal b/gui/sliderule/assets.tal
index 765e049..9dd905d 100644
--- a/gui/sliderule/assets.tal
+++ b/gui/sliderule/assets.tal
@@ -1,4 +1,7 @@
 
+@fill-icn
+	[ ffff ffff ffff ffff ]
+
 @pointer-icn
 	[ 80c0 e0f0 f8e0 1000 ]
 
diff --git a/gui/sliderule/sliderule.tal b/gui/sliderule/sliderule.tal
index 19d94b4..a1e103f 100644
--- a/gui/sliderule/sliderule.tal
+++ b/gui/sliderule/sliderule.tal
@@ -204,6 +204,7 @@
 
 @<update-pointer> ( color addr* -- )
 	[ LIT2 00 -Screen/auto ] DEO
+	;fill-icn .Screen/addr DEO2
 	#40 <draw-pointer>
 	.Mouse/x DEI2 ,<draw-pointer>/x STR2
 	.Mouse/y DEI2 ,<draw-pointer>/y STR2