diff --git a/src/LinearMath/btQuickprof.h b/src/LinearMath/btQuickprof.h
index 9389fcd81..9ad8ba012 100644
--- a/src/LinearMath/btQuickprof.h
+++ b/src/LinearMath/btQuickprof.h
@@ -32,7 +32,7 @@ subject to the following restrictions:
 #define USE_BT_CLOCK 1
 
 #ifdef USE_BT_CLOCK
-#ifdef __PPU__
+#ifdef __CELLOS_LV2__
 #include <sys/sys_time.h>
 #include <stdio.h>
 typedef uint64_t __int64;
@@ -81,7 +81,7 @@ class btClock
 			mStartTick = GetTickCount();
 			mPrevElapsedTime = 0;
 #else
-#ifdef __PPU__
+#ifdef __CELLOS_LV2__
 
 	typedef uint64_t __int64;
 	typedef __int64  ClockSize;
@@ -134,7 +134,7 @@ class btClock
 			return msecTicks;
 #else
 			
-#ifdef __PPU__
+#ifdef __CELLOS_LV2__
 	__int64 freq=sys_time_get_timebase_frequency();
 	 double dFreq=((double) freq) / 1000.0;
 	typedef uint64_t __int64;
@@ -149,7 +149,7 @@ class btClock
 			gettimeofday(&currentTime, 0);
 			return (currentTime.tv_sec - mStartTime.tv_sec) * 1000 + 
 				(currentTime.tv_usec - mStartTime.tv_usec) / 1000;
-#endif //__PPU__
+#endif //__CELLOS_LV2__
 #endif
 		}
 
@@ -192,7 +192,7 @@ class btClock
 			return usecTicks;
 #else
 
-#ifdef __PPU__
+#ifdef __CELLOS_LV2__
 	__int64 freq=sys_time_get_timebase_frequency();
 	 double dFreq=((double) freq)/ 1000000.0;
 	typedef uint64_t __int64;
@@ -207,7 +207,7 @@ class btClock
 			gettimeofday(&currentTime, 0);
 			return (currentTime.tv_sec - mStartTime.tv_sec) * 1000000 + 
 				(currentTime.tv_usec - mStartTime.tv_usec);
-#endif//__PPU__
+#endif//__CELLOS_LV2__
 #endif 
 		}
 
@@ -218,12 +218,12 @@ class btClock
 		LONGLONG mPrevElapsedTime;
 		LARGE_INTEGER mStartTime;
 #else
-#ifdef __PPU__
+#ifdef __CELLOS_LV2__
 		uint64_t	mStartTime;
 #else
 		struct timeval mStartTime;
 #endif
-#endif //__PPU__
+#endif //__CELLOS_LV2__
 
 	};