diff --git a/pyproject.toml b/pyproject.toml
index 7a10989..b5c6d96 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "rda_python_dsupdt"
-version = "1.0.3"
+version = "1.0.4"
 authors = [
   { name="Zaihua Ji", email="zji@ucar.edu" },
 ]
diff --git a/src/rda_python_dsupdt/dsupdt.py b/src/rda_python_dsupdt/dsupdt.py
index e883ec6..64b2e64 100644
--- a/src/rda_python_dsupdt/dsupdt.py
+++ b/src/rda_python_dsupdt/dsupdt.py
@@ -2129,7 +2129,7 @@ def change_workdir(wdir, locinfo, edate, ehour, FQ):
    if not wdir:
       return PgLOG.pglog(locinfo + ": MISS working directory", PgOPT.PGOPT['emlerr'])
    else:
-      ms = re.seaarch(r'$(\w+)', wdir)
+      ms = re.search(r'$(\w+)', wdir)
       if ms and ms.group(1) in PgLOG.PGLOG:
          wdir = PgLOG.replace_environments(wdir, PgLOG.PGLOG[ms.group(1)], PgOPT.PGOPT['emlerr'])
       wdir = PgUpdt.replace_pattern(wdir, edate, ehour, FQ)