diff --git a/include/strings.h b/include/strings.h
index b4329bf5f..a3d69e999 100755
--- a/include/strings.h
+++ b/include/strings.h
@@ -626,9 +626,9 @@ public:
 };
 
 #define FOR_EACH_TOKEN(__tok, __str) \
-  for (const char* __str = __tok.get(0); __str; __str = __tok.get())
+  for (const char* __str = (__tok).get(0); __str; __str = (__tok).get())
 #define FOR_EACH_STR_TOKEN(__tok, __str)                                  \
-  TString __str;for (int __t=0;__tok.get(__t,__str);__t++) 
+  TString __str;for (int __t=0;(__tok).get(__t,__str);__t++) 
   
 ///////////////////////////////////////////////////////////
 // Mitica token string che sceglie da sola il separatore