diff --git a/lintunes/__init__.py b/lintunes/__init__.py
index b80a732..810756f 100644
--- a/lintunes/__init__.py
+++ b/lintunes/__init__.py
@@ -1,3 +1,3 @@
 """LinTunes — iTunes-style music library manager and player for Linux."""
 
-__version__ = "0.31.8"
+__version__ = "0.31.9"
diff --git a/lintunes/gui/cassette_dialogs.py b/lintunes/gui/cassette_dialogs.py
index f1f08a9..a1dc534 100644
--- a/lintunes/gui/cassette_dialogs.py
+++ b/lintunes/gui/cassette_dialogs.py
@@ -37,7 +37,6 @@ class ShareInviteDialog(QDialog):
     def __init__(self, code: str, parent=None):
         super().__init__(parent)
         self.setWindowTitle("Share Library with a Friend")
-        self.resize(520, 260)
         layout = QVBoxLayout(self)
         intro = QLabel(
             "Send this code to one friend. They paste it into "
@@ -51,6 +50,11 @@ class ShareInviteDialog(QDialog):
         self.code = QPlainTextEdit(code)
         self.code.setReadOnly(True)
         self.code.setLineWrapMode(QPlainTextEdit.LineWrapMode.WidgetWidth)
+        # Room for the whole code (four lines at this width) without scrolling.
+        lines = 5
+        self.code.setMinimumHeight(
+            self.code.fontMetrics().lineSpacing() * lines
+            + 2 * (self.code.frameWidth() + int(self.code.document().documentMargin())))
         layout.addWidget(self.code, stretch=1)
         row = QHBoxLayout()
         self.copy = QPushButton("Copy Code")
@@ -63,6 +67,12 @@ class ShareInviteDialog(QDialog):
         done.clicked.connect(self.accept)
         row.addWidget(done)
         layout.addLayout(row)
+        # Open tall enough for the wrapped intro: a fixed height cut its last
+        # line off, since a word-wrapped label only knows its height for a
+        # given width.
+        width = 560
+        self.resize(width, max(layout.totalHeightForWidth(width),
+                               layout.totalMinimumSize().height()))
 
     def _copy(self):
         QGuiApplication.clipboard().setText(self.code.toPlainText())