diff --git a/rpcs3/Emu/Cell/SPURecompilerCore.cpp b/rpcs3/Emu/Cell/SPURecompilerCore.cpp
index e444dca66a..52563b2e0d 100644
--- a/rpcs3/Emu/Cell/SPURecompilerCore.cpp
+++ b/rpcs3/Emu/Cell/SPURecompilerCore.cpp
@@ -13,12 +13,19 @@
 static const g_imm_table_struct g_imm_table;
 
 SPURecompilerCore::SPURecompilerCore(SPUThread& cpu)
-: m_enc(new SPURecompiler(cpu, *this))
-, inter(new SPUInterpreter(cpu))
-, CPU(cpu)
-, first(true)
+	: m_enc(new SPURecompiler(cpu, *this))
+	, inter(new SPUInterpreter(cpu))
+	, CPU(cpu)
+	, first(true)
 {
 	memset(entry, 0, sizeof(entry));
+	X86CpuInfo inf;
+	X86CpuUtil::detect(&inf);
+	if (!inf.hasFeature(kX86CpuFeatureSse41))
+	{
+		LOG_ERROR(SPU, "SPU Recompiler requires SSE4.1 instruction set support");
+		Emu.Pause();
+	}
 }
 
 SPURecompilerCore::~SPURecompilerCore()
diff --git a/rpcs3/Emu/SysCalls/Modules/cellL10n.cpp b/rpcs3/Emu/SysCalls/Modules/cellL10n.cpp
index ea34d10566..d918962343 100644
--- a/rpcs3/Emu/SysCalls/Modules/cellL10n.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/cellL10n.cpp
@@ -44,7 +44,7 @@ int UTF16stoUTF8s(mem16_ptr_t utf16, mem64_t utf16_len, mem8_ptr_t utf8, mem64_t
 	if (!utf16.IsGood() || !utf16_len.IsGood() || !utf8_len.IsGood())
 		return SRCIllegal;
 
-	std::u16string wstr =(char16_t*)Memory.VirtualToRealAddr(utf16);
+	std::u16string wstr =(char16_t*)Memory.VirtualToRealAddr(utf16.GetAddr());
 	wstr.resize(utf16_len.GetValue()); // TODO: Is this really the role of utf16_len in this function?
 #ifdef _MSC_VER
 	std::wstring_convert<std::codecvt_utf8_utf16<char16_t>,char16_t> convert;
diff --git a/rpcs3/Emu/SysCalls/Modules/libmixer.cpp b/rpcs3/Emu/SysCalls/Modules/libmixer.cpp
index 3532fbf1e7..147e37c812 100644
--- a/rpcs3/Emu/SysCalls/Modules/libmixer.cpp
+++ b/rpcs3/Emu/SysCalls/Modules/libmixer.cpp
@@ -361,7 +361,7 @@ int cellSurMixerCreate(const mem_ptr_t<CellSurMixerConfig> config)
 				break;
 			}
 
-			if (mixcount > (port.tag + 14)) // preemptive buffer filling (probably hack)
+			if (mixcount > (port.tag + 0)) // adding positive value (1-15): preemptive buffer filling (hack)
 			{
 				std::this_thread::sleep_for(std::chrono::milliseconds(1));
 				continue;