diff --git a/exec/df.lua b/exec/df.lua
index e687c9b..265fedc 100644
--- a/exec/df.lua
+++ b/exec/df.lua
@@ -13,7 +13,7 @@ local function wrapUnits(n)
   if not scale[count] then return "inf" end
   n = n / 1024
  end
- return tostring(n)..(scale[count] or "")
+ return tostring(math.floor(n))..(scale[count] or "")
 end
 local fstr = "%-"..tostring(ml).."s %5s %5s"
 print("fs"..(" "):rep(ml-2).."  size  used")