diff --git a/python/spacewalk/server/importlib/headerSource.py b/python/spacewalk/server/importlib/headerSource.py
index f6db001a723..5342ae4dc98 100644
--- a/python/spacewalk/server/importlib/headerSource.py
+++ b/python/spacewalk/server/importlib/headerSource.py
@@ -17,7 +17,6 @@
 # Converts headers to the intermediate format
 #
 
-import time
 from .importLib import (
     File,
     Dependency,
@@ -94,7 +93,6 @@ def populate(
         self["org_id"] = org_id
         self["header_start"] = header_start
         self["header_end"] = header_end
-        self["last_modified"] = localtime(time.time())
         if "sigmd5" in self:
             if self["sigmd5"]:
                 self["sigchecksum_type"] = "md5"
diff --git a/python/spacewalk/spacewalk-backend.changes.parlt.fix-rhnpush-last-modified b/python/spacewalk/spacewalk-backend.changes.parlt.fix-rhnpush-last-modified
new file mode 100644
index 00000000000..4cc728bb7fa
--- /dev/null
+++ b/python/spacewalk/spacewalk-backend.changes.parlt.fix-rhnpush-last-modified
@@ -0,0 +1,2 @@
+- Fix wrong timestamp when importing packages
+  with rhnpush (bsc#1235970)