diff --git a/cura_app.py b/cura_app.py
index cc8a1d575c..b94909fc04 100755
--- a/cura_app.py
+++ b/cura_app.py
@@ -226,6 +226,12 @@ if Platform.isLinux() and getattr(sys, "frozen", False):
     import trimesh.exchange.load
     os.environ["LD_LIBRARY_PATH"] = old_env
 
+# WORKAROUND: Cura#5488
+# When using the KDE qqc2-desktop-style, the UI layout is completely broken, and
+# even worse, it crashes when switching to the "Preview" pane.
+if Platform.isLinux():
+    os.environ["QT_QUICK_CONTROLS_STYLE"] = "default"
+    
 if ApplicationMetadata.CuraDebugMode:
     ssl_conf = QSslConfiguration.defaultConfiguration()
     ssl_conf.setPeerVerifyMode(QSslSocket.VerifyNone)