diff --git a/plugins/zerospu2/Makefile.am b/plugins/zerospu2/Makefile.am
index c028d61e80..82265b2de5 100644
--- a/plugins/zerospu2/Makefile.am
+++ b/plugins/zerospu2/Makefile.am
@@ -1,7 +1,7 @@
 # Create a shared library libZeroSPU2
 AUTOMAKE_OPTIONS = foreign
 noinst_LIBRARIES = libZeroSPU2.a
-INCLUDES = -I@srcdir@/common -I@srcdir@/3rdparty/SoundTouch
+INCLUDES = -I@srcdir@/common -I@srcdir@/3rdparty
 
 libZeroSPU2_a_CXXFLAGS = $(shell pkg-config --cflags gtk+-2.0)
 libZeroSPU2_a_CFLAGS = $(shell pkg-config --cflags gtk+-2.0)
diff --git a/plugins/zerospu2/voices.cpp b/plugins/zerospu2/voices.cpp
index d4a99fc039..7d30fa4c8d 100644
--- a/plugins/zerospu2/voices.cpp
+++ b/plugins/zerospu2/voices.cpp
@@ -21,8 +21,8 @@
 
 #include "zerospu2.h"
 
-#include "SoundTouch.h"
-#include "WavFile.h"
+#include "SoundTouch/SoundTouch.h"
+#include "SoundTouch/WavFile.h"
 
 
 // VOICE_PROCESSED definitions
diff --git a/plugins/zerospu2/zerodma.cpp b/plugins/zerospu2/zerodma.cpp
index 04c39a196e..d35451ade2 100644
--- a/plugins/zerospu2/zerodma.cpp
+++ b/plugins/zerospu2/zerodma.cpp
@@ -21,8 +21,8 @@
 #include <assert.h>
 #include <stdlib.h>
 
-#include "SoundTouch.h"
-#include "WavFile.h"
+#include "SoundTouch/SoundTouch.h"
+#include "SoundTouch/WavFile.h"
 
 void CALLBACK SPU2readDMAMem(u16 *pMem, int size, int core)
 {
diff --git a/plugins/zerospu2/zerospu2.cpp b/plugins/zerospu2/zerospu2.cpp
index d008284e53..df83fd1f63 100644
--- a/plugins/zerospu2/zerospu2.cpp
+++ b/plugins/zerospu2/zerospu2.cpp
@@ -25,8 +25,8 @@
 #include "svnrev.h"
 #endif 
 
-#include "SoundTouch.h"
-#include "WavFile.h"
+#include "SoundTouch/SoundTouch.h"
+#include "SoundTouch/WavFile.h"
 
 char libraryName[256];