diff --git a/dikte/settings_ui.py b/dikte/settings_ui.py
index d3a97b7..d42ac7e 100644
--- a/dikte/settings_ui.py
+++ b/dikte/settings_ui.py
@@ -10,7 +10,7 @@ from PyQt6.QtWidgets import (
     QAbstractItemView, QAbstractSpinBox, QCheckBox, QComboBox, QDialog,
     QDialogButtonBox, QFileDialog, QFormLayout, QGroupBox, QHBoxLayout, QLabel,
     QLineEdit, QListWidget, QListWidgetItem, QMenu, QMessageBox, QPlainTextEdit,
-    QPushButton, QScrollArea, QSpinBox, QTabWidget, QVBoxLayout, QWidget,
+    QPushButton, QScrollArea, QSpinBox, QTabWidget, QVBoxLayout, QWidget, QSizePolicy,
 )
 
 from . import __version__
@@ -224,6 +224,7 @@ class LocalModelBox(QGroupBox):
         if self._repos is not None:
             self.repo = QComboBox()
             self.repo.setEditable(True)
+            self.repo.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
             self.repo.setToolTip(t("A Hugging Face repository of GGUF files. The "
                                    "list is fetched; any other one can be typed in."))
             self.repo.currentTextChanged.connect(self._repo_changed)
@@ -663,6 +664,7 @@ class SettingsWindow(QDialog):
         # them: a stored one this desktop does not offer is kept as it is
         # rather than quietly replaced by the first item on the list.
         self.paste_shortcut.setEditable(True)
+        self.paste_shortcut.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         self.paste_shortcut.addItems(paste.desktop().shortcuts)
         self.paste_shortcut.setToolTip(t(
             "macOS asks for Accessibility permission the first time this is sent."
@@ -761,6 +763,7 @@ class SettingsWindow(QDialog):
         self.stt_form = stt_form
         self.transcribe_model = QComboBox()
         self.transcribe_model.setEditable(True)
+        self.transcribe_model.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         self.refresh_transcribe_models = QPushButton(t("Fetch model list"))
         self.refresh_transcribe_models.clicked.connect(self._load_transcribe_models)
         self.transcribe_model_row = self._row(self.transcribe_model,
@@ -829,6 +832,7 @@ class SettingsWindow(QDialog):
 
         self.cleanup_model = QComboBox()
         self.cleanup_model.setEditable(True)
+        self.cleanup_model.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         self.cleanup_model.addItems(CLEANUP_MODELS)
         self.refresh_models = QPushButton(t("Fetch model list"))
         self.refresh_models.clicked.connect(self._load_models)
@@ -840,11 +844,13 @@ class SettingsWindow(QDialog):
         # field, and only the row of whoever is chosen is on screen.
         self.cleanup_claude_model = QComboBox()
         self.cleanup_claude_model.setEditable(True)
+        self.cleanup_claude_model.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         self.cleanup_claude_model.addItems(CLEANUP_CLAUDE_MODELS)
         orr_form.addRow(t("Model"), self.cleanup_claude_model)
 
         self.cleanup_codex_model = QComboBox()
         self.cleanup_codex_model.setEditable(True)
+        self.cleanup_codex_model.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         self.cleanup_codex_model.addItems([t("Codex's own default")] + CODEX_MODELS)
         orr_form.addRow(t("Model"), self.cleanup_codex_model)
 
@@ -1000,6 +1006,7 @@ class SettingsWindow(QDialog):
         claude_form = QFormLayout(self.claude_box)
         self.assistant_model = QComboBox()
         self.assistant_model.setEditable(True)
+        self.assistant_model.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         self.assistant_model.addItems(ASSISTANT_MODELS)
         self.assistant_model.setToolTip(t(
             "A name like “sonnet” always means the newest model of that line. "
@@ -1017,6 +1024,7 @@ class SettingsWindow(QDialog):
         codex_form = QFormLayout(self.codex_box)
         self.assistant_codex_model = QComboBox()
         self.assistant_codex_model.setEditable(True)
+        self.assistant_codex_model.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         self.assistant_codex_model.addItem(t("Codex's own default"), "")
         for name in CODEX_MODELS:
             self.assistant_codex_model.addItem(name, name)
@@ -1031,6 +1039,7 @@ class SettingsWindow(QDialog):
         or_form = QFormLayout(self.openrouter_box)
         self.assistant_openrouter_model = QComboBox()
         self.assistant_openrouter_model.setEditable(True)
+        self.assistant_openrouter_model.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         self.assistant_openrouter_model.addItems(ASSISTANT_OR_MODELS)
         or_form.addRow(t("Model"), self.assistant_openrouter_model)
         or_note = QLabel(t(
@@ -1178,6 +1187,7 @@ class SettingsWindow(QDialog):
         models_form = QFormLayout(models)
         self.meeting_model = QComboBox()
         self.meeting_model.setEditable(True)
+        self.meeting_model.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         self.meeting_model.addItems(MEETING_MODELS)
         models_form.addRow(t("Model"), self.meeting_model)
         self.meeting_reasoning = QComboBox()
@@ -1508,6 +1518,7 @@ class SettingsWindow(QDialog):
         """The field a global shortcut is typed or picked in."""
         box = QComboBox()
         box.setEditable(True)
+        box.setSizePolicy(QSizePolicy.Policy.Expanding, QSizePolicy.Policy.Fixed)
         box.addItems(MAC_SHORTCUTS if hotkey.backend() == hotkey.MACOS
                      else SHORTCUTS)
         box.setCurrentText("")