diff --git a/libs/turtle-utils.lua b/libs/turtle-utils.lua
index 86dcd64..13a9b22 100644
--- a/libs/turtle-utils.lua
+++ b/libs/turtle-utils.lua
@@ -288,9 +288,9 @@ end
 local function getSuckFn(side)
   if side == 'front' then
     return turtle.suck
-  elseif side == 'top'
+  elseif side == 'top' then
     return turtle.suckUp
-  elseif side == 'bottom'
+  elseif side == 'bottom' then
     return turtle.suckDown
   end
 end