diff --git a/include/value.h b/include/value.h
index 02827885a..e2f4b5c98 100755
--- a/include/value.h
+++ b/include/value.h
@@ -1,4 +1,4 @@
-//      $Id: value.h,v 1.4 1996-05-08 11:08:39 guy Exp $   
+//      $Id: value.h,v 1.5 1996-09-03 09:54:51 simona Exp $   
 // language types for Simulation and SimulationManager  
 // -------------------------------------------------------------------------
 
@@ -10,11 +10,13 @@
 #include <string.h>
 #endif
 
+#include <stdio.h>
+
 #ifndef _iostream_h
 #include <iostream.h>
 #endif
 #ifdef __WATCOMC__
-#include stdlib.h
+#include <stdlib.h>
 
 #endif