diff --git a/device/mitcpresscio.cxx b/device/mitcpresscio.cxx
index 7486a6b..7269326 100644
--- a/device/mitcpresscio.cxx
+++ b/device/mitcpresscio.cxx
@@ -172,7 +172,7 @@ INT mitc_pressc_get_name(MITCPRESSC_INFO * , INT , char *);
 /* the init function creates a ODB record which contains the
    settings and initialized its variables as well as the bus driver */
 
-INT mitc_pressc_init(HNDLE hkey, void **pinfo, INT channels) {
+INT mitc_pressc_init(HNDLE hkey, MITCPRESSC_INFO **pinfo, INT channels) {
    int i,status, size, len;
    HNDLE hDB, hkeydd;
    MITCPRESSC_INFO *info;
@@ -1202,6 +1202,7 @@ INT mitc_presscio(INT cmd, ...) {
    float value, *pvalue;
    void *info, *bd;
    char *name;
+   MITCPRESSC_INFO **pinfo;
 
    va_start(argptr, cmd);
    status = FE_SUCCESS;
@@ -1209,10 +1210,10 @@ INT mitc_presscio(INT cmd, ...) {
    switch (cmd) {
     case CMD_INIT:
       hKey = va_arg(argptr, HNDLE);
-      info = va_arg(argptr, void *);
+      pinfo    = va_arg(argptr, MITCPRESSC_INFO **);
       channel = va_arg(argptr, INT);
       flags = va_arg(argptr, DWORD);
-      status = mitc_pressc_init(hKey, &info, channel);
+      status = mitc_pressc_init(hKey, pinfo, channel);
       break;
 
     case CMD_EXIT: