diff --git a/lib/sbi/sbi_pmu.c b/lib/sbi/sbi_pmu.c
index a0eb3592..5950a200 100644
--- a/lib/sbi/sbi_pmu.c
+++ b/lib/sbi/sbi_pmu.c
@@ -489,7 +489,7 @@ static int pmu_ctr_find_hw(unsigned long cbase, unsigned long cmask, unsigned lo
 	unsigned long ctr_mask;
 	int i, ret = 0, fixed_ctr, ctr_idx = SBI_ENOTSUPP;
 	struct sbi_pmu_hw_event *temp;
-	unsigned long mctr_inhbt;
+	unsigned long mctr_inhbt = 0;
 	u32 hartid = current_hartid();
 	struct sbi_scratch *scratch = sbi_scratch_thishart_ptr();