diff --git a/dll/dll.cpp b/dll/dll.cpp
index d6011cd4..6c618ea6 100644
--- a/dll/dll.cpp
+++ b/dll/dll.cpp
@@ -938,7 +938,7 @@ STEAMAPI_API steam_bool S_CALLTYPE SteamAPI_ManualDispatch_GetNextCallback( HSte
 /// You must call this after dispatching the callback, if SteamAPI_ManualDispatch_GetNextCallback returns true.
 STEAMAPI_API void S_CALLTYPE SteamAPI_ManualDispatch_FreeLastCallback( HSteamPipe hSteamPipe )
 {
-    PRINT_DEBUG("%s %i\n", __FUNCTION__, hSteamPipe);
+    PRINT_DEBUG("SteamAPI_ManualDispatch_FreeLastCallback %i\n", hSteamPipe);
     std::queue<struct cb_data> *q = NULL;
     Steam_Client *steam_client = get_steam_client();
     auto it = steam_client->steam_pipes.find(hSteamPipe);
@@ -1102,7 +1102,7 @@ STEAMCLIENT_API steam_bool Steam_BGetCallback( HSteamPipe hSteamPipe, CallbackMs
 
 STEAMCLIENT_API void Steam_FreeLastCallback( HSteamPipe hSteamPipe )
 {
-    PRINT_DEBUG("%s %i\n", __FUNCTION__, hSteamPipe);
+    PRINT_DEBUG("Steam_FreeLastCallback %i\n", hSteamPipe);
     SteamAPI_ManualDispatch_FreeLastCallback( hSteamPipe );
 }
 
diff --git a/dll/dll/base.h b/dll/dll/base.h
index a83ef4c7..4b741dd9 100644
--- a/dll/dll/base.h
+++ b/dll/dll/base.h
@@ -204,7 +204,7 @@ public:
         }
 
         PRINT_DEBUG("addCallResult ERROR\n");
-        return 0;
+        return k_uAPICallInvalid;
     }
 
     SteamAPICall_t reserveCallResult() {
@@ -296,6 +296,7 @@ public:
         while (c != std::end(callresults)) {
             if (c->to_delete) {
                 if (c->timed_out()) {
+                    PRINT_DEBUG("runCallResults removed callresult %i\n", c->iCallback);
                     c = callresults.erase(c);
                 } else {
                     ++c;
diff --git a/dll/dll/steam_remote_storage.h b/dll/dll/steam_remote_storage.h
index bcfd2051..59b2920b 100644
--- a/dll/dll/steam_remote_storage.h
+++ b/dll/dll/steam_remote_storage.h
@@ -172,7 +172,7 @@ SteamAPICall_t FileReadAsync( const char *pchFile, uint32 nOffset, uint32 cubToR
 
     if ((size - nOffset) < cubToRead) cubToRead = size - nOffset;
 
-    struct Async_Read a_read;
+    struct Async_Read a_read{};
     data.m_eResult = k_EResultOK;
     a_read.offset = data.m_nOffset = nOffset;
     a_read.api_call = data.m_hFileReadAsync = callback_results->reserveCallResult();
diff --git a/dll/steam_client.cpp b/dll/steam_client.cpp
index 425b6678..ac49a2ef 100644
--- a/dll/steam_client.cpp
+++ b/dll/steam_client.cpp
@@ -1910,7 +1910,7 @@ void Steam_Client::RunCallbacks(bool runClientCB, bool runGameserverCB, bool run
     callbacks_client->runCallBacks();
 
     last_cb_run = std::chrono::duration_cast<std::chrono::duration<unsigned long long>>(std::chrono::system_clock::now().time_since_epoch()).count();
-    PRINT_DEBUG("Steam_Client::RunCallbacks done ------------------------------------------------------\n\n");
+    PRINT_DEBUG("Steam_Client::RunCallbacks done ------------------------------------------------------\n");
 }
 
 void Steam_Client::DestroyAllInterfaces()
diff --git a/dll/steam_utils.cpp b/dll/steam_utils.cpp
index 76e302a4..c697fb6d 100644
--- a/dll/steam_utils.cpp
+++ b/dll/steam_utils.cpp
@@ -147,9 +147,9 @@ void Steam_Utils::SetOverlayNotificationPosition( ENotificationPosition eNotific
 // can be used directly, but more commonly used via the callback dispatch API (see steam_api.h)
 bool Steam_Utils::IsAPICallCompleted( SteamAPICall_t hSteamAPICall, bool *pbFailed )
 {
-    PRINT_DEBUG("Steam_Utils::IsAPICallCompleted: %llu\n", hSteamAPICall);
+    PRINT_DEBUG("Steam_Utils::IsAPICallCompleted %llu\n", hSteamAPICall);
     std::lock_guard<std::recursive_mutex> lock(global_mutex);
-    if (pbFailed) *pbFailed = true;
+    if (pbFailed) *pbFailed = false;
 
     if (hSteamAPICall == 1) { //bug ? soul calibur 6 calls this function with the return value 1 of Steam_User_Stats::RequestCurrentStats and expects this function to return true
         if (pbFailed) *pbFailed = true;
@@ -157,7 +157,6 @@ bool Steam_Utils::IsAPICallCompleted( SteamAPICall_t hSteamAPICall, bool *pbFail
     }
 
     if (!callback_results->exists(hSteamAPICall)) return false;
-    if (pbFailed) *pbFailed = false;
     return true; //all api calls "complete" right away
 }