diff --git a/include/types/map.h b/include/types/map.h
index 4463541..59c1a22 100644
--- a/include/types/map.h
+++ b/include/types/map.h
@@ -57,8 +57,6 @@
 	struct list list;              /* used for listing */
 	struct map_reference *ref;     /* the reference used for unindexed entries */
 	struct sample_conv *conv;      /* original converter descriptor */
-	int (*parse)(const char *text, /* The function that can parse the output value */
-	             struct sample_storage *smp);
 	struct pattern_expr *pat;      /* the pattern matching associated to the map */
 	int do_free;                   /* set if <pat> is the orignal pat and must be freed */
 	char *default_value;           /* a copy of default value. This copy is
diff --git a/include/types/pattern.h b/include/types/pattern.h
index 7b9f8fd..72022e3 100644
--- a/include/types/pattern.h
+++ b/include/types/pattern.h
@@ -155,6 +155,7 @@
  */
 struct pattern_expr {
 	int (*parse)(const char *text, struct pattern *pattern, char **err);
+	int (*parse_smp)(const char *text, struct sample_storage *smp);
 	int (*index)(struct pattern_expr *, struct pattern *, char **);
 	void (*delete)(struct pattern_expr *, struct pattern *);
 	struct sample_storage **(*find_smp)(struct pattern_expr *, struct pattern *);