diff --git a/src/mount/mount-tool.c b/src/mount/mount-tool.c
index 0ab06ac3b9..9d56b40700 100644
--- a/src/mount/mount-tool.c
+++ b/src/mount/mount-tool.c
@@ -736,13 +736,13 @@ static int find_mount_points(const char *what, char ***list) {
                 if (!GREEDY_REALLOC(l, bufsize, n + 2))
                         return log_oom();
 
-                l[n] = strdup(where);
-                if (!l[n])
-                        return log_oom();
-
-                n++;
+                l[n++] = where;
+                where = NULL;
         }
 
+        if (!GREEDY_REALLOC(l, bufsize, n + 1))
+                return log_oom();
+
         l[n] = NULL;
         *list = l;
         l = NULL; /* avoid freeing */