diff --git a/.tests/luacheckrc b/.tests/luacheckrc
index 7c036ae..c3a1473 100644
--- a/.tests/luacheckrc
+++ b/.tests/luacheckrc
@@ -9,6 +9,7 @@ exclude_files = {
 
 ignore = {
 	"631", "61[124]",
+	"542",
 	"412",
 	"321/bit",
 	"21[123]"
diff --git a/worldeditadditions_commands/commands/convolve.lua b/worldeditadditions_commands/commands/convolve.lua
index da12810..22ddf79 100644
--- a/worldeditadditions_commands/commands/convolve.lua
+++ b/worldeditadditions_commands/commands/convolve.lua
@@ -58,7 +58,8 @@ worldedit.register_command("convolve", {
 		kernel_size[0] = kernel_height
 		kernel_size[1] = kernel_width
 		
-		local success, stats = worldeditadditions.convolve(
+		local stats
+		success, stats = worldeditadditions.convolve(
 			worldedit.pos1[name], worldedit.pos2[name],
 			kernel, kernel_size
 		)