diff --git a/rpcs3/Emu/Cell/lv2/sys_lwcond.cpp b/rpcs3/Emu/Cell/lv2/sys_lwcond.cpp
index 75835ffa24..43bfb308ba 100644
--- a/rpcs3/Emu/Cell/lv2/sys_lwcond.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_lwcond.cpp
@@ -502,7 +502,7 @@ error_code _sys_lwcond_queue_wait(ppu_thread& ppu, u32 lwcond_id, u32 lwmutex_id
 
 	if (!cond || !mutex)
 	{
-		return CELL_ESRCH;
+		return { CELL_ESRCH, fmt::format("lwmutex_id: 0x%x, lwcond_id: 0x%x", lwmutex_id, lwcond_id) };
 	}
 
 	if (ppu.state & cpu_flag::again)
diff --git a/rpcs3/Emu/Cell/lv2/sys_lwmutex.cpp b/rpcs3/Emu/Cell/lv2/sys_lwmutex.cpp
index a56bffedca..ca8d7f1260 100644
--- a/rpcs3/Emu/Cell/lv2/sys_lwmutex.cpp
+++ b/rpcs3/Emu/Cell/lv2/sys_lwmutex.cpp
@@ -183,7 +183,12 @@ error_code _sys_lwmutex_lock(ppu_thread& ppu, u32 lwmutex_id, u64 timeout)
 
 	if (!mutex)
 	{
-		return CELL_ESRCH;
+		if (lwmutex_id >> 24 == lv2_lwmutex::id_base >> 24)
+		{
+			return { CELL_ESRCH, lwmutex_id };
+		}
+
+		return { CELL_ESRCH, "Invalid ID" };
 	}
 
 	if (mutex.ret)
@@ -313,7 +318,12 @@ error_code _sys_lwmutex_trylock(ppu_thread& ppu, u32 lwmutex_id)
 
 	if (!mutex)
 	{
-		return CELL_ESRCH;
+		if (lwmutex_id >> 24 == lv2_lwmutex::id_base >> 24)
+		{
+			return { CELL_ESRCH, lwmutex_id };
+		}
+
+		return { CELL_ESRCH, "Invalid ID" };
 	}
 
 	if (!mutex.ret)