diff --git a/novelwriter/common.py b/novelwriter/common.py
index 5f8fedff..a325e604 100644
--- a/novelwriter/common.py
+++ b/novelwriter/common.py
@@ -209,8 +209,7 @@ def checkIntTuple(value: int, valid: tuple | list | set, default: int) -> int:
 # =============================================================================================== #
 
 def formatInt(value: int) -> str:
-    """Formats an integer with k, M, G etc.
-    """
+    """Formats an integer with k, M, G etc."""
     if not isinstance(value, int):
         return "ERR"
 
diff --git a/novelwriter/core/project.py b/novelwriter/core/project.py
index 51cc8955..20fb6dc2 100644
--- a/novelwriter/core/project.py
+++ b/novelwriter/core/project.py
@@ -46,7 +46,7 @@ from novelwriter.core.sessions import NWSessionLog
 from novelwriter.core.projectxml import ProjectXMLReader, ProjectXMLWriter, XMLReadState
 from novelwriter.core.projectdata import NWProjectData
 from novelwriter.common import (
-    checkStringNone, formatTimeStamp, hexToInt, makeFileNameSafe, minmax
+    checkStringNone, formatInt, formatTimeStamp, hexToInt, makeFileNameSafe, minmax
 )
 
 if TYPE_CHECKING:  # pragma: no cover
@@ -446,14 +446,14 @@ class NWProject(QObject):
             ), nwAlert.ERROR, exception=exc)
             return False
 
-        archName = baseDir / self.tr(
-            "Backup from {0}"
-        ).format(formatTimeStamp(time(), fileSafe=True) + ".zip")
+        timeStamp = formatTimeStamp(time(), fileSafe=True)
+        archName = baseDir / f"{cleanName} {timeStamp}.zip"
         if self._storage.zipIt(archName, compression=2):
+            size = archName.stat().st_size
             if doNotify:
                 self.mainGui.makeAlert(self.tr(
-                    "Backup archive file written to: {0}"
-                ).format(str(archName), nwAlert.INFO))
+                    "Backup archive file written to: {0} [{1}B]"
+                ).format(str(archName), formatInt(size)), nwAlert.INFO)
         else:
             self.mainGui.makeAlert(self.tr(
                 "Could not write backup archive."
diff --git a/tests/test_core/test_core_project.py b/tests/test_core/test_core_project.py
index 3e0e7b11..cf76b7f7 100644
--- a/tests/test_core/test_core_project.py
+++ b/tests/test_core/test_core_project.py
@@ -620,12 +620,12 @@ def testCoreProject_Backup(monkeypatch, mockGUI, fncPath, tstPaths):
     theFiles = list((tstPaths.tmpDir / "Test Minimal").iterdir())
     assert len(theFiles) in (1, 2)  # Sometimes 2 due to clock tick
 
-    theZip = theFiles[-1].name
-    assert theZip[:12] == "Backup from "
-    assert theZip[-4:] == ".zip"
+    theZip = theFiles[-1]
+    assert theZip.name.startswith("Test Minimal")
+    assert theZip.suffix == ".zip"
 
     # Extract the archive
-    with ZipFile(tstPaths.tmpDir / "Test Minimal" / theZip, mode="r") as inZip:
+    with ZipFile(tstPaths.tmpDir / "Test Minimal" / theZip.name, mode="r") as inZip:
         inZip.extractall(tstPaths.tmpDir / "extract")
 
     # Check that the main project file was restored