diff --git a/base/etc/sdf.conf b/base/etc/sdf.conf
index 6d612e2b..a6081c61 100644
--- a/base/etc/sdf.conf
+++ b/base/etc/sdf.conf
@@ -99,7 +99,7 @@ z b 32
 $ t 28
 % t 28
 & t 28
-' t 28
+' t 17
 ( t 17
 ) t 17
 * t 28