diff --git a/src/boltclam/app.py b/src/boltclam/app.py
index 0c18282..046e42c 100644
--- a/src/boltclam/app.py
+++ b/src/boltclam/app.py
@@ -50,20 +50,19 @@ def _splash_pixmap() -> QPixmap:
     brand.paint_mark(painter, QRectF(34, 34, 72, 72))
     painter.setPen(QColor(theme.TEXT))
     painter.setFont(theme.display_font(26, QFont.Weight.DemiBold))
-    painter.drawText(QRectF(124, 36, 300, 40), Qt.AlignmentFlag.AlignLeft,
-                     Qt.AlignmentFlag.AlignVCenter, "BoltClam")
+    left_center = int(Qt.AlignmentFlag.AlignLeft | Qt.AlignmentFlag.AlignVCenter)
+    painter.drawText(QRectF(124, 36, 300, 40), left_center, "BoltClam")
     painter.setPen(QColor(theme.MUTED))
     painter.setFont(theme.body_font(10.0))
-    painter.drawText(QRectF(126, 76, 300, 24), Qt.AlignmentFlag.AlignLeft,
-                     Qt.AlignmentFlag.AlignVCenter, "ClamAV protection, without the noise.")
+    painter.drawText(QRectF(126, 76, 300, 24), left_center,
+                     "ClamAV protection, without the noise.")
     painter.setPen(QColor(theme.TEXT_SOFT))
     painter.setFont(theme.body_font(10.5))
-    painter.drawText(QRectF(36, 154, 390, 26), Qt.AlignmentFlag.AlignLeft,
-                     Qt.AlignmentFlag.AlignVCenter, "Starting protection…")
+    painter.drawText(QRectF(36, 154, 390, 26), left_center, "Starting protection…")
     painter.setPen(QColor(theme.DIM))
     painter.setFont(theme.mono_font(8.0))
-    painter.drawText(QRectF(36, 206, 390, 20), Qt.AlignmentFlag.AlignLeft,
-                     Qt.AlignmentFlag.AlignVCenter, f"Version {__version__} · {__build_date__}")
+    painter.drawText(QRectF(36, 206, 390, 20), left_center,
+                     f"Version {__version__} · {__build_date__}")
     painter.end()
     return image
 
diff --git a/src/boltclam/ui/components.py b/src/boltclam/ui/components.py
index 44a9ba2..3f4fe97 100644
--- a/src/boltclam/ui/components.py
+++ b/src/boltclam/ui/components.py
@@ -142,7 +142,7 @@ class Avatar(QWidget):
         painter.setPen(QColor(theme.AMBER_BRIGHT))
         font = theme.display_font(self._size * 0.30, QFont.Weight.DemiBold)
         painter.setFont(font)
-        painter.drawText(rect, Qt.AlignmentFlag.AlignCenter, self.initials())
+        painter.drawText(rect, int(Qt.AlignmentFlag.AlignCenter), self.initials())
 
 
 class ProtectionDial(QWidget):
@@ -331,9 +331,10 @@ class NavButton(QAbstractButton):
         painter.setPen(QColor(theme.TEXT if checked else theme.TEXT_SOFT))
         font = theme.body_font(10.4, QFont.Weight.DemiBold if checked else QFont.Weight.Normal)
         painter.setFont(font)
-        painter.drawText(QRectF(46, 0, self.width() - 52, self.height()),
-                         Qt.AlignmentFlag.AlignVCenter | Qt.AlignmentFlag.AlignLeft,
-                         self.text())
+        painter.drawText(
+            QRectF(46, 0, self.width() - 52, self.height()),
+            int(Qt.AlignmentFlag.AlignVCenter | Qt.AlignmentFlag.AlignLeft),
+            self.text())
 
 
 def _draw_nav_icon(painter: QPainter, name: str, rect: QRectF, color: QColor) -> None:
@@ -529,9 +530,10 @@ class ScanButton(QAbstractButton):
 
         painter.setPen(QColor("#241704" if self.isEnabled() else "#807A68"))
         painter.setFont(theme.body_font(11.2, QFont.Weight.Bold))
-        painter.drawText(QRectF(core.left(), core.center().y() + 20, core.width(), 24),
-                         Qt.AlignmentFlag.AlignCenter,
-                         "Scanning…" if self._scanning else "Start scan")
+        painter.drawText(
+            QRectF(core.left(), core.center().y() + 20, core.width(), 24),
+            int(Qt.AlignmentFlag.AlignCenter),
+            "Scanning…" if self._scanning else "Start scan")
 
 
 class StatTile(QFrame):
diff --git a/tests/test_ui_smoke.py b/tests/test_ui_smoke.py
index 6cf0eb2..b2d6c9d 100644
--- a/tests/test_ui_smoke.py
+++ b/tests/test_ui_smoke.py
@@ -66,12 +66,24 @@ def test_main_window_builds_four_pages_and_switches_tabs(qapp, isolated_env):
         assert window.stack.currentIndex() == 3
         assert window.settings_page.channel_combo.currentData() == "release"
         assert window.about_page.rows["account"].value_label.text() == "Aaron"
+        for index in range(4):
+            window.stack.setCurrentIndex(index)
+            qapp.processEvents()
+            assert not window.stack.currentWidget().grab().isNull()
     finally:
         window._allow_close = True
         window.close()
         qapp.processEvents()
 
 
+def test_splash_pixmap_renders(qapp):
+    from boltclam.app import _splash_pixmap
+
+    pixmap = _splash_pixmap()
+    assert not pixmap.isNull()
+    assert pixmap.width() == 460 and pixmap.height() == 250
+
+
 def test_login_dialog_builds_without_starting_a_worker(qapp, isolated_env):
     auth = AuthService(
         "http://127.0.0.1:9", install_id="test",