1 files changed, 1 insertions, 1 deletions

diff --git a/apps/dsp.h b/apps/dsp.h
index 364c8d80f5..7e3acacc32 100644
--- a/apps/dsp.h
+++ b/apps/dsp.h
@@ -47,7 +47,7 @@ enum {
     DSP_CROSSFEED
 };
 
-long dsp_process(char *dest, char *src[], long size);
+long dsp_process(char *dest, const char *src[], long size);
 long dsp_input_size(long size);
 long dsp_output_size(long size);
 int dsp_stereo_mode(void);