diff --git a/Tests/test_file_tiff.py b/Tests/test_file_tiff.py
index 502d9df9a..35b2aa0e3 100644
--- a/Tests/test_file_tiff.py
+++ b/Tests/test_file_tiff.py
@@ -696,15 +696,19 @@ class TestFileTiff:
         im = hopper()
         im2 = Image.new("L", (128, 128))
         im2.encoderinfo = {"tiffinfo": {278: 256}}
-        im.save(outfile, save_all=True, append_images=[im2])
+        im3 = Image.new("L", (128, 128))
+        im.save(outfile, save_all=True, append_images=[im2, im3], tiffinfo={278: 512})
 
         with Image.open(outfile) as im:
             assert isinstance(im, TiffImagePlugin.TiffImageFile)
-            assert im.tag_v2[278] == 128
+            assert im.tag_v2[278] == 512
 
             im.seek(1)
             assert im.tag_v2[278] == 256
 
+            im.seek(2)
+            assert im.tag_v2[278] == 512
+
     def test_strip_raw(self) -> None:
         infile = "Tests/images/tiff_strip_raw.tif"
         with Image.open(infile) as im:
diff --git a/src/PIL/TiffImagePlugin.py b/src/PIL/TiffImagePlugin.py
index 88af9162e..b3ab3a574 100644
--- a/src/PIL/TiffImagePlugin.py
+++ b/src/PIL/TiffImagePlugin.py
@@ -2302,7 +2302,9 @@ class AppendingTiffWriter(io.BytesIO):
 
 
 def _save_all(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
-    append_images = list(im.encoderinfo.get("append_images", []))
+    encoderinfo = im.encoderinfo.copy()
+    encoderconfig = im.encoderconfig
+    append_images = list(encoderinfo.get("append_images", []))
     if not hasattr(im, "n_frames") and not append_images:
         return _save(im, fp, filename)
 
@@ -2311,9 +2313,9 @@ def _save_all(im: Image.Image, fp: IO[bytes], filename: str | bytes) -> None:
         with AppendingTiffWriter(fp) as tf:
             for ims in [im] + append_images:
                 if not hasattr(ims, "encoderinfo"):
-                    ims.encoderinfo = {}
+                    ims.encoderinfo = encoderinfo
                 if not hasattr(ims, "encoderconfig"):
-                    ims.encoderconfig = ()
+                    ims.encoderconfig = encoderconfig
                 nfr = getattr(ims, "n_frames", 1)
 
                 for idx in range(nfr):