diff --git a/Externals/SoundTouch/STTypes.h b/Externals/SoundTouch/STTypes.h
index ad9efedb5f..8542556e5b 100644
--- a/Externals/SoundTouch/STTypes.h
+++ b/Externals/SoundTouch/STTypes.h
@@ -62,9 +62,9 @@ typedef unsigned long   ulong;
 
 #ifndef _WINDEF_
     // if these aren't defined already by Windows headers, define now
-
+#if !defined(__APPLE__)
     typedef int BOOL;
-
+#endif
     #define FALSE   0
     #define TRUE    1
 
diff --git a/Externals/SoundTouch/cpu_detect_x86.cpp b/Externals/SoundTouch/cpu_detect_x86.cpp
index fff3240d8a..1103adab57 100644
--- a/Externals/SoundTouch/cpu_detect_x86.cpp
+++ b/Externals/SoundTouch/cpu_detect_x86.cpp
@@ -50,11 +50,11 @@
     #elif defined(_M_IX86)
         // windows non-gcc
         #include <intrin.h>
-        #define bit_MMX     (1 << 23)
-        #define bit_SSE     (1 << 25)
-        #define bit_SSE2    (1 << 26)
     #endif
 
+	#define bit_MMX     (1 << 23)
+	#define bit_SSE     (1 << 25)
+	#define bit_SSE2    (1 << 26)
 #endif
 
 
diff --git a/Source/Core/AudioCommon/Src/OpenALStream.cpp b/Source/Core/AudioCommon/Src/OpenALStream.cpp
index 6f429db495..85685b42cb 100644
--- a/Source/Core/AudioCommon/Src/OpenALStream.cpp
+++ b/Source/Core/AudioCommon/Src/OpenALStream.cpp
@@ -199,7 +199,7 @@ void OpenALStream::SoundLoop()
 			if (rate > 0)
 			{
 				// Adjust SETTING_SEQUENCE_MS to balance between lag vs hollow audio
-				soundTouch.setSetting(SETTING_SEQUENCE_MS, (int)pow(1 / rate, 2));
+				soundTouch.setSetting(SETTING_SEQUENCE_MS, (int)(1 / (rate * rate)));
 				soundTouch.setTempo(rate);
 			}
 			unsigned int nSamples = soundTouch.receiveSamples(sampleBuffer, OAL_MAX_SAMPLES * 2 * OAL_NUM_BUFFERS);