diff --git a/ChangeLog b/ChangeLog
index 4041e6f40..edb3cefbe 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2007-12-15 Steven Borley
  * Added automake warning and output verbosity to autogen.sh
+ * src/frontend/spiceif.c: Avoid invalid lvalue assignment errors when
+   calling the macro _foo(). Needed for gcc4 which no longer supports
+   lvalue cast bogosity.
 
 2007-12-14  Steven Borley
  * Added missing .cvsignore file to the tests directories and some
diff --git a/src/frontend/spiceif.c b/src/frontend/spiceif.c
index 4a7a8e433..d4b833be1 100644
--- a/src/frontend/spiceif.c
+++ b/src/frontend/spiceif.c
@@ -1277,7 +1277,10 @@ do {\
 
     _foo(ckt->CKTbreaks,double,ckt->CKTbreakSize);
     
-    _foo((TSKtask *)ft_curckt->ci_curTask,TSKtask,1);
+    {	/* avoid invalid lvalue assignment errors in the macro _foo() */
+    	TSKtask * lname = (TSKtask *)ft_curckt->ci_curTask;
+    	_foo(lname,TSKtask,1);
+    }
 
     /* To stop the Free */
     ((TSKtask *)ft_curckt->ci_curTask)->TSKname = NULL;
@@ -1285,7 +1288,10 @@ do {\
 
     _foo(((TSKtask *)ft_curckt->ci_curTask)->TSKname,char,-1);
     
-    _foo(((TRANan *)((TSKtask *)ft_curckt->ci_curTask)->jobs),TRANan,1);
+    {	/* avoid invalid lvalue assignment errors in the macro _foo() */
+    	TRANan * lname = (TRANan *)((TSKtask *)ft_curckt->ci_curTask)->jobs;
+    	_foo(lname,TRANan,1);
+    }
     ((TSKtask *)ft_curckt->ci_curTask)->jobs->JOBname = NULL;
     ckt->CKTcurJob = (JOB *)((TSKtask *)ft_curckt->ci_curTask)->jobs;