diff --git a/drivers/crypto/intel/qat/qat_common/qat_uclo.c b/drivers/crypto/intel/qat/qat_common/qat_uclo.c
index 4bd150d1441a..e27ea7e28c51 100644
--- a/drivers/crypto/intel/qat/qat_common/qat_uclo.c
+++ b/drivers/crypto/intel/qat/qat_common/qat_uclo.c
@@ -200,7 +200,7 @@ static int qat_uclo_parse_num(char *str, unsigned int *num)
 	unsigned long ae = 0;
 	int i;
 
-	strncpy(buf, str, 15);
+	strscpy(buf, str, sizeof(buf));
 	for (i = 0; i < 16; i++) {
 		if (!isdigit(buf[i])) {
 			buf[i] = '\0';