diff --git a/core/state.c b/core/state.c
index 6002957..8c8639c 100644
--- a/core/state.c
+++ b/core/state.c
@@ -38,6 +38,7 @@ state_init(struct cescal_state *state, const char *pathname)
         return -1;
     }
 
+    state->pass = 0;
     return 0;
 }
 
diff --git a/include/cescal/state.h b/include/cescal/state.h
index 3c1ad86..8801837 100644
--- a/include/cescal/state.h
+++ b/include/cescal/state.h
@@ -19,6 +19,7 @@
  * @tokbuf: Token buffer
  * @ptrbox: Global pointer box
  * @lex_putback: Lexer putback buffer
+ * @pass:  Current pass
  */
 struct cescal_state {
     int in_fd;
@@ -26,6 +27,7 @@ struct cescal_state {
     struct tokbuf tokbuf;
     struct ptrbox ptrbox;
     char lex_putback;
+    uint8_t pass;
 };
 
 /*