diff --git a/CHANGELOG.md b/CHANGELOG.md
index f0fb5165..c1b8015b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - Fixed `MarkAddEvent`, `MarkChangeEvent` and `MarkRemoveEvent` position
 - Fixed crash of concurrent Windows TTS synthesis ([#223](https://github.com/DCS-gRPC/rust-server/issues/223))
+- Fixed file handler left open: Closing config file again after reading it in LUA
 
 ## [0.7.1] - 2023-01-08
 
diff --git a/lua/Hooks/DCS-gRPC.lua b/lua/Hooks/DCS-gRPC.lua
index 596ed6d2..c14e8a97 100644
--- a/lua/Hooks/DCS-gRPC.lua
+++ b/lua/Hooks/DCS-gRPC.lua
@@ -20,6 +20,7 @@ local function init()
       local f = assert(loadstring(file:read("*all")))
       setfenv(f, GRPC)
       f()
+      io.close(file)
       log.write("[GRPC-Hook]", log.INFO, "`Config/dcs-grpc.lua` successfully read")
     else
       log.write("[GRPC-Hook]", log.INFO, "`Config/dcs-grpc.lua` not found (" .. tostring(err) .. ")")