diff --git a/src/python/cram/common.py b/src/python/cram/common.py
index 0891ff5..28b6e5d 100644
--- a/src/python/cram/common.py
+++ b/src/python/cram/common.py
@@ -102,7 +102,7 @@ def expandvars(s: str) -> str:
             return os.uname()[1]
         elif var == "${home}":
             return os.path.expanduser("~")
-        elif var == "${uname}" | "${sysname}":
+        elif var == "${uname}" or var == "${sysname}":
             return platform.system().lower()
         elif var == "${arch}":
             return platform.machine()