diff --git a/sfall/Modules/Objects.cpp b/sfall/Modules/Objects.cpp
index bdbf1e30..dcb78144 100644
--- a/sfall/Modules/Objects.cpp
+++ b/sfall/Modules/Objects.cpp
@@ -109,8 +109,9 @@ pickNewID: // skip PM range (18000 - 16795215)
 }
 
 // Reassigns object IDs to all critters upon first loading a map and updates their HP stats
+// also fixes their combat_data.who_hit_me values (same as map_fix_critter_combat_data_)
 // TODO: for items?
-static void map_fix_critter_id() {
+static void __stdcall map_fix_critter_id_combat_data() {
 	long npcStartID = 4096; // 0x1000
 	fo::GameObject* obj = fo::func::obj_find_first();
 	while (obj) {
@@ -119,19 +120,15 @@ static void map_fix_critter_id() {
 				obj->id = npcStartID++;
 				Objects::SetScriptObjectID(obj);
 			}
+			if (obj->critter.whoHitMe == (fo::GameObject*)-1) {
+				obj->critter.whoHitMe = nullptr;
+			}
 			Stats::UpdateHPStat(obj);
 		}
 		obj = fo::func::obj_find_next();
 	}
 }
 
-static __declspec(naked) void map_load_file_hook() {
-	__asm {
-		call map_fix_critter_id;
-		jmp  fo::funcoffs::map_fix_critter_combat_data_;
-	}
-}
-
 static __declspec(naked) void queue_add_hack() {
 	using namespace fo;
 	using namespace Fields;
@@ -270,7 +267,7 @@ void Objects::init() {
 	MakeCall(0x477A0E, item_identical_hack); // don't put item with unique ID to items stack
 
 	// Fix mapper bug by reassigning object IDs to critters (for unvisited maps)
-	HookCall(0x482DE2, map_load_file_hook);
+	HookCall(0x482DE2, map_fix_critter_id_combat_data); // replace map_fix_critter_combat_data_
 	// Additionally fix object IDs for queued events
 	MakeCall(0x4A25BA, queue_add_hack);
 
diff --git a/sfall/WinProc.cpp b/sfall/WinProc.cpp
index a28f8c49..b168c4d1 100644
--- a/sfall/WinProc.cpp
+++ b/sfall/WinProc.cpp
@@ -223,15 +223,16 @@ void WinProc::SetStyle(long windowStyle) {
 
 void WinProc::SetTitle(long wWidth, long wHeight, long gMode) {
 	char windowTitle[128];
-	char mode[4] = "DD7";
+	char mode[8] = "DD7";
 	if (gMode >= 4) std::strcpy(mode, "DX9");
+	else if (extWrapper) std::strcpy(mode, "wrapper");
 
 	if (HRP::Setting::ScreenWidth() != wWidth || HRP::Setting::ScreenHeight() != wHeight) {
 		std::sprintf(windowTitle, "%s  @sfall " VERSION_STRING " : %ix%i >> %ix%i [%s]",
-			(const char*)0x50AF08, HRP::Setting::ScreenWidth(), HRP::Setting::ScreenHeight(), wWidth, wHeight, mode);
+		             (const char*)0x50AF08, HRP::Setting::ScreenWidth(), HRP::Setting::ScreenHeight(), wWidth, wHeight, mode);
 	} else {
 		std::sprintf(windowTitle, "%s  @sfall " VERSION_STRING " : %ix%i [%s]",
-			(const char*)0x50AF08, HRP::Setting::ScreenWidth(), HRP::Setting::ScreenHeight(), mode);
+		             (const char*)0x50AF08, HRP::Setting::ScreenWidth(), HRP::Setting::ScreenHeight(), mode);
 	}
 	SetWindowTextA(window, windowTitle);
 }
diff --git a/sfall/version.h b/sfall/version.h
index 8d5eecc3..60f3876c 100644
--- a/sfall/version.h
+++ b/sfall/version.h
@@ -25,6 +25,6 @@
 #define VERSION_MAJOR 4
 #define VERSION_MINOR 5
 #define VERSION_BUILD 0
-#define VERSION_REV 0
+#define VERSION_REV 1
 
-#define VERSION_STRING "4.5"
+#define VERSION_STRING "4.5.0.1"