diff --git a/sysdata/programs/svga_driver/src/reg.hb b/sysdata/programs/svga_driver/src/reg.hb
index 7f479dd8..a9a789b0 100644
--- a/sysdata/programs/svga_driver/src/reg.hb
+++ b/sysdata/programs/svga_driver/src/reg.hb
@@ -2,6 +2,9 @@ SVGA_REG_ENABLE_DISABLE := 0
 SVGA_REG_ENABLE_ENABLE := 1
 SVGA_REG_ENABLE_HIDE := 2
 SVGA_REG_ENABLE_ENABLE_HIDE := SVGA_REG_ENABLE_ENABLE | SVGA_REG_ENABLE_HIDE
+
+
+SVGA_REG_DISABLE := 0
 SVGA_REG_ENABLE := 1
 SVGA_REG_WIDTH := 2
 SVGA_REG_HEIGHT := 3