diff --git a/src/amcrest/system.py b/src/amcrest/system.py
index f6531fc..bb4a4ce 100644
--- a/src/amcrest/system.py
+++ b/src/amcrest/system.py
@@ -67,7 +67,7 @@ def software_information(self) -> Tuple[str, str]:
             version, build_date = swinfo.split(",")
         else:
             version, build_date = swinfo.split()
-        _, _, version = build_date.rpartition("=")
+        _, _, version = version.rpartition("=")
         _, _, build_date = build_date.rpartition(":")
         return version, build_date