diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4867bc3..f8ff810 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -151,7 +151,7 @@ endif ()
 # FMOD Library only if requested
 if(INCLUDE_FMOD_SOUND)
     # Compile options
-    add_compile_definitions(INCLUDE_FMOD_SOUND)
+    add_compile_definitions(INCLUDE_FMOD_SOUND=1)
 
     # Link Options (only for Win/Mac)
     if(WIN32 OR APPLE)
diff --git a/XPMP2-Sample.xcodeproj/project.pbxproj b/XPMP2-Sample.xcodeproj/project.pbxproj
index 6e77179..b420222 100644
--- a/XPMP2-Sample.xcodeproj/project.pbxproj
+++ b/XPMP2-Sample.xcodeproj/project.pbxproj
@@ -257,7 +257,7 @@
 				GCC_OPTIMIZATION_LEVEL = 0;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"DEBUG=1",
-					"INCLUDE_FMOD_SOUND=0",
+					"INCLUDE_FMOD_SOUND=1",
 					"APL=1",
 					"IBM=0",
 					"LIN=0",
@@ -361,7 +361,7 @@
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"NDEBUG=1",
-					"INCLUDE_FMOD_SOUND=0",
+					"INCLUDE_FMOD_SOUND=1",
 					"APL=1",
 					"IBM=0",
 					"LIN=0",
diff --git a/lib/XPMP2 b/lib/XPMP2
index 62a3a6f..887d1fc 160000
--- a/lib/XPMP2
+++ b/lib/XPMP2
@@ -1 +1 @@
-Subproject commit 62a3a6fd5025ea218ff1a9bc22377071153fc447
+Subproject commit 887d1fc767d68f5c725642954afabc631a6b936c