diff --git a/src/shared/util.c b/src/shared/util.c
index 2009553..e89be5a 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -4469,10 +4469,10 @@ int get_files_in_directory(const char *path, char ***list) {
                         continue;
 
                 if (list) {
-                        if ((unsigned) r >= n) {
+                        if ((unsigned) (r + 1) >= n) {
                                 char **t;
 
-                                n = MAX(16, 2*r);
+                                n = MAX(16, 2 * (r + 1));
                                 t = realloc(l, sizeof(char*) * n);
                                 if (!t) {
                                         r = -ENOMEM;