diff --git a/inferium-gui.lua b/inferium-gui.lua
index 6a35f18..bb2212f 100644
--- a/inferium-gui.lua
+++ b/inferium-gui.lua
@@ -20,6 +20,10 @@ local function formatSeedName(essenceName)
 end
 
 local function parseSeedName(seedName)
+  if not seedName then
+    return nil
+  end
+
   local result, nbReplaced = string.gsub(seedName, 'mysticalagriculture:', '')
 
   if nbReplaced == 0 then