diff --git a/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_SystemRegisters.cpp b/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_SystemRegisters.cpp
index 73d23191eb..b71b8c32ba 100644
--- a/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_SystemRegisters.cpp
+++ b/Source/Core/Core/Src/PowerPC/Interpreter/Interpreter_SystemRegisters.cpp
@@ -18,11 +18,12 @@
 #include <float.h>
 #ifdef _WIN32
 #include <intrin.h>
-#else
-#define _RC_NEAR (0<<10)
-#define _RC_DOWN (1<<10)
-#define _RC_UP   (2<<10)
-#define _RC_CHOP (3<<10)
+#else
+static const unsigned short FPU_ROUND_NEAR = 0 << 10;
+static const unsigned short FPU_ROUND_DOWN = 1 << 10;
+static const unsigned short FPU_ROUND_UP   = 2 << 10;
+static const unsigned short FPU_ROUND_CHOP = 3 << 10;
+static const unsigned short FPU_ROUND_MASK = 3 << 10;
 #include <xmmintrin.h>
 #endif
 
@@ -73,15 +74,29 @@ void UpdateFPSCR(UReg_FPSCR fp)
 	// Set FPU rounding mode to mimic the PowerPC's
 	int round = fp.RN;
 #ifdef _M_IX86
+	// This shouldn't really be needed anymore since we use SSE
+#ifdef _WIN32
 	const int table[4] = 
 	{
 		_RC_NEAR,
 		_RC_CHOP,
 		_RC_UP,
 		_RC_DOWN
-	};
-	// This shouldn't really be needed anymore since we use SSE
-	_set_controlfp(_MCW_RC, table[round]);
+	};
+	_set_controlfp(_MCW_RC, table[round]);
+#else
+	const unsigned short table[4] = 
+	{
+		FPU_ROUND_NEAR,
+		FPU_ROUND_CHOP,
+		FPU_ROUND_UP,
+		FPU_ROUND_DOWN
+	};
+	unsigned short mode;
+	asm ("fstcw %0" : : "m" (mode));
+	mode = (mode & ~FPU_ROUND_MASK) | table[round];
+	asm ("fldcw %0" : : "m" (mode));
+#endif
 #endif
 	// Also corresponding SSE rounding mode setting
 	UpdateSSEState(round, fp.NI ? true : false);