diff --git a/src/etc/etc.sparc/sysctl.conf b/src/etc/etc.sparc/sysctl.conf
index c6f01028..50e54ded 100644
--- a/src/etc/etc.sparc/sysctl.conf
+++ b/src/etc/etc.sparc/sysctl.conf
@@ -1,2 +1 @@
 #machdep.led_blink=1		# 1=On sparc, make led(s) blink
-#machdep.vsyncblank=1		# 1=Turn video sync off when blanking