diff --git a/dpdata/deepmd/comp.py b/dpdata/deepmd/comp.py
index 449da62e6..f8a367f8e 100644
--- a/dpdata/deepmd/comp.py
+++ b/dpdata/deepmd/comp.py
@@ -110,5 +110,6 @@ def dump(folder,
     except OSError:
         pass
     if data.get("nopbc", False):
-        os.mknod(os.path.join(folder, "nopbc"))
+        with open(os.path.join(folder, "nopbc"), "w") as fw_nopbc:
+            pass
         
diff --git a/dpdata/deepmd/raw.py b/dpdata/deepmd/raw.py
index 039b3b787..c897f377c 100644
--- a/dpdata/deepmd/raw.py
+++ b/dpdata/deepmd/raw.py
@@ -74,5 +74,6 @@ def dump (folder, data) :
     except OSError:
         pass
     if data.get("nopbc", False):
-        os.mknod(os.path.join(folder, "nopbc"))
+        with open(os.path.join(folder, "nopbc"), "w") as fw_nopbc:
+            pass