diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 3c8c6ce634c5..8e20ef6252e1 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -137,6 +137,9 @@ static void pmao_restore_workaround(bool ebb) { }
 
 bool is_sier_available(void)
 {
+	if (!ppmu)
+		return false;
+
 	if (ppmu->flags & PPMU_HAS_SIER)
 		return true;