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-rw-r--r--script/core/guide.lua2
1 files changed, 1 insertions, 1 deletions
diff --git a/script/core/guide.lua b/script/core/guide.lua
index 45c93f69..fee057d6 100644
--- a/script/core/guide.lua
+++ b/script/core/guide.lua
@@ -2606,7 +2606,7 @@ local function findGenericFromArgIndexToReturnIndex(func, argIndex)
local paramType
for _, doc in ipairs(func.bindDocs) do
if doc.type == 'doc.param' then
- if doc.extends.paramIndex == argIndex then
+ if doc.extends and doc.extends.paramIndex == argIndex then
paramType = doc.extends
break
end