diff --git a/ChangeLog b/ChangeLog
index 9b895e686..8de17f6e9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-08-10  Robert Larice
+ * src/spicelib/analysis/ckt.h :
+    missing `extern'
+
 2010-08-10  Robert Larice
  * src/include/cktdefs.h ,
  * src/include/ifsim.h ,
diff --git a/src/spicelib/analysis/ckt.h b/src/spicelib/analysis/ckt.h
index 47d89b952..19397dca7 100644
--- a/src/spicelib/analysis/ckt.h
+++ b/src/spicelib/analysis/ckt.h
@@ -125,6 +125,6 @@ int NIpzSym(PZtrial **, PZtrial *);
 int NIpzSym2(PZtrial **, PZtrial *);
 int NIreinit( CKTcircuit *);
 int NIsenReinit( CKTcircuit *);
-IFfrontEnd *SPfrontEnd;
+extern IFfrontEnd *SPfrontEnd;
 
 #endif /*CKT*/