1 files changed, 2 insertions, 0 deletions
diff --git a/dalos.lua b/dalos.lua
index 32a8bca..399fff3 100644
--- a/dalos.lua
+++ b/dalos.lua
@@ -388,6 +388,8 @@ dalosp.canvas = {
     wheel_cb = function (self, delta, x, y, status)
         local obj = self:findobj(x, y)
         
+        if delta > 0 then delta = math.floor(delta + 0.5) else delta = -math.floor(-delta + 0.5) end
+        
         if obj then
             if iup.isshift(status) then
                 obj.obj:change_curoutput(delta)