diff --git a/data/themes/default/style.css b/data/themes/default/style.css
index 2634ff90f..49da08fa2 100644
--- a/data/themes/default/style.css
+++ b/data/themes/default/style.css
@@ -128,7 +128,7 @@ QToolButton:checked {
 	padding: 3px 0px 0px 3px;
 }
 
-fxMixerView QPushButton, effectRackView QPushButton, controllerRackView QPushButton {
+FxMixerView QPushButton, EffectRackView QPushButton, ControllerRackView QPushButton {
 	font-size: 10px;
 }
 
@@ -138,7 +138,7 @@ timeLine {
 
 /* Plugins */
 
-tripleOscillatorView knob {
+TripleOscillatorView knob {
 	color: rgb(1, 114, 216);
 	qproperty-outerColor: rgb(0, 0, 0);
 	qproperty-innerRadius: 1;
@@ -160,7 +160,7 @@ kickerInstrumentView knob {
 }
 
 
-audioFileProcessorView knob {
+AudioFileProcessorView knob {
 	color: rgb(240, 147, 14);
 	qproperty-outerColor: rgb(30, 35, 37);
 	qproperty-innerRadius: 4;