diff --git a/testsuites/validation/tc-score-isr.c b/testsuites/validation/tc-score-isr.c
index 9891829a84..b178541e72 100644
--- a/testsuites/validation/tc-score-isr.c
+++ b/testsuites/validation/tc-score-isr.c
@@ -221,7 +221,7 @@ static void ISRHandler( void *arg )
 
   (void) arg;
 
-#if defined(RTEMS_SMP)
+#if defined(RTEMS_SMP) && !(defined(__PPC__) || (__powerpc64__))
   Per_CPU_Control *cpu_self;
 
   cpu_self = _Per_CPU_Get();