diff --git a/tridactyl/scripts/speak b/tridactyl/scripts/speak
index c5e4aab..9d47c29 100755
--- a/tridactyl/scripts/speak
+++ b/tridactyl/scripts/speak
@@ -7,10 +7,10 @@ case "$OSTYPE" in
         ;;
     linux*)
         mimic \
-            --setf duration_stretch=0.5 \
+            --setf duration_stretch=0.65 \
             -t "$message" \
-            -voice 'slt_hts'
-            #-voice 'kal16'
+            -voice 'kal16'
+            #-voice 'slt'
         ;;
     *)
         echo "unsupported OS"