diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6ce199ed..80884fba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 * **[bitsynth]** Fix Age of Empires 2: Definitive Edition, the game expects the app itself to be an owned DLC  
   otherwise most options will be disabled
 
+* `Steam_Apps::GetCurrentBetaName()` make sure the out buffer is null terminated
+
 ---
 
 # 2024/3/16
diff --git a/dll/steam_apps.cpp b/dll/steam_apps.cpp
index 05e9b734..de632fb8 100644
--- a/dll/steam_apps.cpp
+++ b/dll/steam_apps.cpp
@@ -232,9 +232,10 @@ void Steam_Apps::RequestAppProofOfPurchaseKey( AppId_t nAppID )
 // https://partner.steamgames.com/doc/api/ISteamApps
 bool Steam_Apps::GetCurrentBetaName( char *pchName, int cchNameBufferSize )
 {
-    PRINT_DEBUG("Steam_Apps::GetCurrentBetaName %i\n", cchNameBufferSize);
+    PRINT_DEBUG("Steam_Apps::GetCurrentBetaName %p [%i]\n", pchName, cchNameBufferSize);
     std::lock_guard<std::recursive_mutex> lock(global_mutex);
     if (pchName && cchNameBufferSize > settings->current_branch_name.size()) {
+        memset(pchName, 0, cchNameBufferSize);
         memcpy(pchName, settings->current_branch_name.c_str(), settings->current_branch_name.size());
     }