diff --git a/token.cpp b/token.cpp
index b1d0467a0..11340b894 100644
--- a/token.cpp
+++ b/token.cpp
@@ -54,7 +54,8 @@ void TOKEN::setstr( const char s[] )
     _cstr = _strdup(s);
 #endif
     _isName = bool(_str[0]=='_' || isalpha(_str[0]));
-    _isNumber = bool(isdigit(_str[0]) != 0);
+    _isNumber = bool(isdigit(_str[0]) != 0);
+    _varId = 0;
 }
 
 void TOKEN::combineWithNext(const char str1[], const char str2[])