diff --git a/kitty/clipboard.py b/kitty/clipboard.py
index 53a490c13..2cf52ffb2 100644
--- a/kitty/clipboard.py
+++ b/kitty/clipboard.py
@@ -281,7 +281,7 @@ class WriteRequest:
 
     def flush_base64_data(self) -> None:
         if self.currently_writing_mime:
-            self.decoder.flush()
+            self.decoder.reinitialize()
             if len(self.decoder):
                 self.write_base64_data(b'')
             start = self.mime_map[self.currently_writing_mime][0]
diff --git a/kitty/data-types.c b/kitty/data-types.c
index d210a1ec6..16347d6e4 100644
--- a/kitty/data-types.c
+++ b/kitty/data-types.c
@@ -163,7 +163,7 @@ static Py_ssize_t
 StreamingBase64Decoder_len(PyObject *s) { return ((StreamingBase64Decoder*)s)->output_sz; }
 
 static PyObject*
-StreamingBase64Decoder_flush(StreamingBase64Decoder *self, PyObject *args UNUSED) {
+StreamingBase64Decoder_reinitialize(StreamingBase64Decoder *self, PyObject *args UNUSED) {
     base64_stream_decode_init(&self->state, 0);
     Py_RETURN_NONE;
 }
@@ -191,7 +191,7 @@ static PyTypeObject StreamingBase64Decoder_Type = {
     .tp_doc = "StreamingBase64Decoder",
     .tp_methods = (PyMethodDef[]){
         {"add", (PyCFunction)StreamingBase64Decoder_add, METH_O, ""},
-        {"flush", (PyCFunction)StreamingBase64Decoder_flush, METH_NOARGS, ""},
+        {"reinitialize", (PyCFunction)StreamingBase64Decoder_reinitialize, METH_NOARGS, ""},
         {"take_output", (PyCFunction)StreamingBase64Decoder_take_output, METH_NOARGS, ""},
         {"copy_output", (PyCFunction)StreamingBase64Decoder_copy_output, METH_NOARGS, ""},
         {NULL, NULL, 0, NULL},
diff --git a/kitty/fast_data_types.pyi b/kitty/fast_data_types.pyi
index 6077325fb..33747fe40 100644
--- a/kitty/fast_data_types.pyi
+++ b/kitty/fast_data_types.pyi
@@ -1707,7 +1707,7 @@ def get_mouse_data_for_window(os_window_id: int, tab_id: int, window_id: int) ->
 class StreamingBase64Decoder:
     def __init__(self, initial_capacity: int = 8 *1024) -> None: ...  # set the initial output buffer capacity
     def add(self, data: ReadOnlyBuffer) -> int: ...  # add the base64 data
-    def flush(self) -> None: ...  # indicate end of base64 data, left over bytes are processed as if they were followed by padding
+    def reinitialize(self) -> None: ...  # reset the state to empty to start decoding a new stream
     def take_output(self) -> bytes: ...  # take the output so far. The decoder no longer references this output
     def copy_output(self) -> bytes: ...  # copy the output so far
     def __len__(self) -> int: ...  # return the length of the current output
diff --git a/kitty/notifications.py b/kitty/notifications.py
index e77b8ee7c..3068d9be5 100644
--- a/kitty/notifications.py
+++ b/kitty/notifications.py
@@ -183,7 +183,7 @@ class EncodedDataStore:
             self.data_store(self.decoder.take_output())
 
     def flush_encoded_data(self) -> None:
-        self.decoder.flush()
+        self.decoder.reinitialize()
         if len(self.decoder):
             self.data_store(self.decoder.take_output())