diff --git a/src/conf.c b/src/conf.c
index 5788773a..5c0b3a70 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -470,7 +470,7 @@ static int safe_strtoll(const char *str, long long *val)
 	if (!*str)
 		return -EINVAL;
 	errno = 0;
-	if (sscanf(str, "%Ld%n", &v, &endidx) < 1)
+	if (sscanf(str, "%Li%n", &v, &endidx) < 1)
 		return -EINVAL;
 	if (str[endidx])
 		return -EINVAL;
diff --git a/src/pcm/pcm_direct.c b/src/pcm/pcm_direct.c
index bfa2d3e3..05750951 100644
--- a/src/pcm/pcm_direct.c
+++ b/src/pcm/pcm_direct.c
@@ -1555,20 +1555,17 @@ int snd_pcm_direct_parse_open_conf(snd_config_t *root, snd_config_t *conf,
 			continue;
 		}
 		if (strcmp(id, "ipc_perm") == 0) {
-			char *perm;
-			char *endp;
-			err = snd_config_get_ascii(n, &perm);
+			long perm;
+			err = snd_config_get_integer(n, &perm);
 			if (err < 0) {
-				SNDERR("The field ipc_perm must be a valid file permission");
+				SNDERR("Invalid type for %s", id);
 				return err;
 			}
-			if (isdigit(*perm) == 0) {
+			if ((perm & ~0777) != 0) {
 				SNDERR("The field ipc_perm must be a valid file permission");
-				free(perm);
 				return -EINVAL;
 			}
-			rec->ipc_perm = strtol(perm, &endp, 8);
-			free(perm);
+			rec->ipc_perm = perm;
 			continue;
 		}
 		if (strcmp(id, "ipc_gid") == 0) {
diff --git a/src/pcm/pcm_file.c b/src/pcm/pcm_file.c
index 77fac2b4..b75eda71 100644
--- a/src/pcm/pcm_file.c
+++ b/src/pcm/pcm_file.c
@@ -535,7 +535,7 @@ int _snd_pcm_file_open(snd_pcm_t **pcmp, const char *name,
 	const char *fname = NULL, *ifname = NULL;
 	const char *format = NULL;
 	long fd = -1, ifd = -1;
-	int perm = 0600;
+	long perm = 0600;
 	snd_config_for_each(i, next, conf) {
 		snd_config_t *n = snd_config_iterator_entry(i);
 		const char *id;
@@ -578,20 +578,15 @@ int _snd_pcm_file_open(snd_pcm_t **pcmp, const char *name,
 			continue;
 		}
 		if (strcmp(id, "perm") == 0) {
-			char *str;
-			char *endp;
-			err = snd_config_get_ascii(n, &str);
+			err = snd_config_get_integer(n, &perm);
 			if (err < 0) {
-				SNDERR("The field perm must be a valid file permission");
+				SNDERR("Invalid type for %s", id);
 				return err;
 			}
-			if (isdigit(*str) == 0) {
+			if ((perm & ~0777) != 0) {
 				SNDERR("The field perm must be a valid file permission");
-				free(str);
 				return -EINVAL;
 			}
-			perm = strtol(str, &endp, 8);
-			free(str);
 			continue;
 		}
 		SNDERR("Unknown field %s", id);