diff --git a/data/core/commandview.lua b/data/core/commandview.lua
index 969338d9..98879e97 100644
--- a/data/core/commandview.lua
+++ b/data/core/commandview.lua
@@ -111,6 +111,7 @@ end
 
 function CommandView:move_suggestion_idx(dir)
   local function overflow_suggestion_idx(n, count)
+    if count == 0 then return 0 end
     if self.state.wrap then
       return (n - 1) % count + 1
     else