diff --git a/src/xspice/icm/dlmain.c b/src/xspice/icm/dlmain.c
index 93afe745e..ce9f79292 100644
--- a/src/xspice/icm/dlmain.c
+++ b/src/xspice/icm/dlmain.c
@@ -40,8 +40,9 @@ Evt_Udn_Info_t  *cmEVTudns[] = {
 
 int cmEVTudnCNT = sizeof(cmEVTudns)/sizeof(Evt_Udn_Info_t *)-1;
 
-// Pointer to core info structure containing pointers to core functions.
-struct coreInfo_t *coreitf;
+/* Instantiation of pointer to core info structure containing pointers
+ * to core functions. */
+struct coreInfo_t *coreitf = (struct coreInfo_t *) NULL;
 
 //////////////////////////////////////////////////////////////////////////////
 //////////////////////////////////////////////////////////////////////////////