diff --git a/lib/sbi/sbi_tlb.c b/lib/sbi/sbi_tlb.c
index cffda52..104c066 100644
--- a/lib/sbi/sbi_tlb.c
+++ b/lib/sbi/sbi_tlb.c
@@ -66,7 +66,7 @@ static int sbi_tlb_fifo_update_cb(void *in, void *data)
 	struct sbi_tlb_info *next;
 	int ret = SBI_FIFO_UNCHANGED;
 
-	if (!in && !!data)
+	if (!in || !data)
 		return ret;
 
 	curr = (struct sbi_tlb_info *)data;