diff --git a/ChangeLog b/ChangeLog
index a81d3a01c..5fa4765ce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-08-10  Robert Larice
+ * src/maths/ni/niniter.c' :
+    drop (SMPmatrix*) casts, which are no longer necessary
+
 2010-08-10  Robert Larice
  * src/spicelib/analysis/tfanal.c :
     drop (GENinstance*) casts, which are no longer necessary
diff --git a/src/maths/ni/niniter.c b/src/maths/ni/niniter.c
index c7bc257bf..6117f88cd 100644
--- a/src/maths/ni/niniter.c
+++ b/src/maths/ni/niniter.c
@@ -26,7 +26,7 @@ NInzIter(CKTcircuit *ckt, int posDrive, int negDrive)
 
     /* clear out the right hand side vector */
 
-    for (i=0; i<= SMPmatSize((SMPmatrix *)ckt->CKTmatrix); i++) {
+    for (i = 0; i <= SMPmatSize(ckt->CKTmatrix); i++) {
 	*((ckt->CKTrhs) + i) = 0.0;
 	*((ckt->CKTirhs) + i) = 0.0;
     }