diff --git a/oml/utils.py b/oml/utils.py
index cacf826..a3463f4 100644
--- a/oml/utils.py
+++ b/oml/utils.py
@@ -448,6 +448,9 @@ def iexists(path):
         folder = '.'
     else:
         folder = os.path.dirname(path)
-    files = os.listdir(folder)
+    try:
+        files = os.listdir(folder)
+    except FileNotFoundError:
+        return False
     files = {os.path.basename(f).lower() for f in files}
     return name in files