diff --git a/deepmd/pt/utils/env.py b/deepmd/pt/utils/env.py
index 5616f0a9a5..0b92953255 100644
--- a/deepmd/pt/utils/env.py
+++ b/deepmd/pt/utils/env.py
@@ -68,6 +68,7 @@
     "GLOBAL_ENER_FLOAT_PRECISION",
     "GLOBAL_NP_FLOAT_PRECISION",
     "GLOBAL_PT_FLOAT_PRECISION",
+    "GLOBAL_PT_ENER_FLOAT_PRECISION",
     "DEFAULT_PRECISION",
     "PRECISION_DICT",
     "RESERVED_PRECISON_DICT",