diff --git a/generators/compact.c b/generators/compact.c
index a087da2b1974f5633084675cdd73e78c6d74ca2f..dc7e4d1b61f179c4f2eef39db636742abe9fd46f 100644
--- a/generators/compact.c
+++ b/generators/compact.c
@@ -392,7 +392,7 @@ int generator(int dirfd, int pos, struct list_head *head_in,
 			continue;
 
 		if (path_list_ext) {
-			st.st_mode = atoi(cur->attrs[1]);
+			st.st_mode = strtol(cur->attrs[1], NULL, 10);
 			st.st_uid = 0;
 			pwd = getpwnam(cur->attrs[2]);
 			if (pwd)
diff --git a/generators/unknown.c b/generators/unknown.c
index aed7c4878ee12fc91a0e08b8930b99cb75364e1c..03d71f8db4b8b5249eb9803ac99eb9df67a0f6da 100644
--- a/generators/unknown.c
+++ b/generators/unknown.c
@@ -397,7 +397,7 @@ int generator(int dirfd, int pos, struct list_head *head_in,
 			continue;
 
 		if (path_list_ext) {
-			st.st_mode = atoi(cur->attrs[1]);
+			st.st_mode = strtol(cur->attrs[1], NULL, 10);
 			st.st_uid = 0;
 			pwd = getpwnam(cur->attrs[2]);
 			if (pwd)
diff --git a/src/gen_digest_lists.c b/src/gen_digest_lists.c
index 333d655c8def2ee58c1429d3e57c97de2b3c035b..0847cbcc610733d566bbc98a47d6d9eadc9828e8 100644
--- a/src/gen_digest_lists.c
+++ b/src/gen_digest_lists.c
@@ -215,7 +215,7 @@ int main(int argc, char **argv)
 			}
 			break;
 		case 'p':
-			pos = atoi(optarg);
+			pos = strtol(optarg, NULL, 10);
 			break;
 		case 't':
 			for (i = 0; i < COMPACT__LAST; i++)