diff --git a/MCUME_pico/display/pico_dsp.cpp b/MCUME_pico/display/pico_dsp.cpp
index 733b7f2..d1cf904 100755
--- a/MCUME_pico/display/pico_dsp.cpp
+++ b/MCUME_pico/display/pico_dsp.cpp
@@ -17,7 +17,7 @@
 #include "hardware/irq.h"
 #include <string.h>
 
-#include "PICO_DSP.h"
+#include "pico_dsp.h"
 #include "font8x8.h"
 #include "include.h"
 
diff --git a/MCUME_pico2/display/pico_dsp.cpp b/MCUME_pico2/display/pico_dsp.cpp
index a29d0c8..a7f3bc1 100755
--- a/MCUME_pico2/display/pico_dsp.cpp
+++ b/MCUME_pico2/display/pico_dsp.cpp
@@ -17,7 +17,7 @@
 #include "hardware/irq.h"
 #include <string.h>
 
-#include "PICO_DSP.h"
+#include "pico_dsp.h"
 #include "font8x8.h"
 #include "include.h"