diff --git a/mcstashm.c b/mcstashm.c
index cfde18e8..9e2b10e3 100644
--- a/mcstashm.c
+++ b/mcstashm.c
@@ -158,7 +158,7 @@ static float McHMGetTime(pHistDriver self, SConnection *pCon){
 	 }
 }
 /*--------------------------------------------------------------------------*/
-static int McHMPreset(pHistDriver self, SConnection *pCon, HistInt *val){
+static int McHMPreset(pHistDriver self, SConnection *pCon, HistInt val){
 	int i;
 	long length;
 	HistInt *data;