diff --git a/apps/codecs/lib/codeclib.h b/apps/codecs/lib/codeclib.h
index 8852b47043..e112112756 100644
--- a/apps/codecs/lib/codeclib.h
+++ b/apps/codecs/lib/codeclib.h
@@ -40,7 +40,7 @@ void codec_free(void* ptr);
 void *memcpy(void *dest, const void *src, size_t n);
 void *memset(void *s, int c, size_t n);
 int memcmp(const void *s1, const void *s2, size_t n);
-void *memmove(const void *s1, const void *s2, size_t n);
+void *memmove(void *s1, const void *s2, size_t n);
 
 size_t strlen(const char *s);
 char *strcpy(char *dest, const char *src);