diff --git a/UI.hpp b/UI.hpp
index e3fb1db..ed411ee 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -28,7 +28,7 @@
 #endif
 
 #include "config.h"
-#include "Disp_Plus.h"
+#include "disp_plus.h"
 #include "effect_modulated_delay.h"
 #include "effect_stereo_mono.h"
 #ifdef USE_PLATEREVERB
diff --git a/Disp_Plus.h b/disp_plus.h
similarity index 100%
rename from Disp_Plus.h
rename to disp_plus.h