diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 218007b0f..b8356e66a 100644
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -115,6 +115,7 @@ long CALLBACK CDR__configure(void);
 long CALLBACK CDR__test(void);
 void CALLBACK CDR__about(void);
 long CALLBACK CDR__setfilename(char *filename);
+long CALLBACK CDR__prefetch(u8 m, u8 s, u8 f);
 
 static void DecodeRawSubData(void);
 
@@ -2006,6 +2007,7 @@ void cdrIsoInit(void) {
 	CDR_test = CDR__test;
 	CDR_about = CDR__about;
 	CDR_setfilename = CDR__setfilename;
+	CDR_prefetch = CDR__prefetch;
 
 	numtracks = 0;
 }