diff --git a/src/config.c b/src/config.c
index 34807f7..eabdafe 100644
--- a/src/config.c
+++ b/src/config.c
@@ -143,6 +143,50 @@ config_tag(void)
      free(ks);
 }
 
+static void
+config_rule(void)
+{
+     int i, n;
+     struct conf_sec *sec, **ks;
+     struct rule *r;
+     struct theme *t;
+
+     /* [rules] */
+     sec = fetch_section_first(NULL, "rules");
+     ks = fetch_section(sec, "rule");
+     n = fetch_section_count(ks);
+
+     SLIST_INIT(&W->h.rule);
+
+     /* [rule] */
+     for(i = 0; i < n; ++i)
+     {
+          r = (struct rule*)xcalloc(1, sizeof(struct rule));
+
+          r->class    = xstrdup(fetch_opt_first(ks[i], "", "class").str);
+          r->instance = xstrdup(fetch_opt_first(ks[i], "", "instance").str);
+          r->role     = xstrdup(fetch_opt_first(ks[i], "", "role").str);
+          r->name     = xstrdup(fetch_opt_first(ks[i], "", "name").str);
+          r->screen   = fetch_opt_first(ks[i], "-1", "screen").num;
+          r->tag      = fetch_opt_first(ks[i], "-1", "tag").num;
+
+          FLAGAPPLY(r->flags, fetch_opt_first(ks[i], "false", "free").boolean,       RULE_FREE);
+          FLAGAPPLY(r->flags, fetch_opt_first(ks[i], "false", "max").boolean,        RULE_MAX);
+          FLAGAPPLY(r->flags, fetch_opt_first(ks[i], "false", "ignore_tag").boolean, RULE_IGNORE_TAG);
+
+          SLIST_FOREACH(t, &W->h.theme, next)
+               if(!strcmp(fetch_opt_first(ks[i], "", "theme").str, t->name))
+               {
+                    r->theme = t;
+                    break;
+               }
+
+          SLIST_INSERT_HEAD(&W->h.rule, r, next);
+     }
+
+     free(ks);
+}
+
 static void
 config_keybind(void)
 {
@@ -210,6 +254,7 @@ config_init(void)
      config_keybind();
      config_tag();
      config_bars();
+     config_rule();
 
      free(path);
      free_conf();
diff --git a/src/util.h b/src/util.h
index 2b47e41..c6f2654 100644
--- a/src/util.h
+++ b/src/util.h
@@ -25,12 +25,13 @@
      X##t##Window(W->dpy, w);     \
 } while( /* CONSTCOND */ 0);
 
-#define ATOM(a)          XInternAtom(W->dpy, (a), False)
-#define LEN(x)           (sizeof(x) / sizeof(*x))
-#define FLAGINT(i)       (1 << i)
-#define ATOI(s)          strtol(s, NULL, 10)
-#define ABS(j)           (j < 0 ? -j : j)
-#define INAREA(i, j, a)  ((i) >= (a).x && (i) <= (a).x + (a).w && (j) >= (a).y && (j) <= (a).y + (a).h)
+#define ATOM(a)             XInternAtom(W->dpy, (a), False)
+#define LEN(x)              (sizeof(x) / sizeof(*x))
+#define FLAGINT(i)          (1 << i)
+#define FLAGAPPLY(f, b, m)  (f |= (b ? m : 0))
+#define ATOI(s)             strtol(s, NULL, 10)
+#define ABS(j)              (j < 0 ? -j : j)
+#define INAREA(i, j, a)     ((i) >= (a).x && (i) <= (a).x + (a).w && (j) >= (a).y && (j) <= (a).y + (a).h)
 
 /*
  * "#RRGGBB" -> 0xRRGGBB
diff --git a/src/wmfs.c b/src/wmfs.c
index 0f783a7..1549025 100644
--- a/src/wmfs.c
+++ b/src/wmfs.c
@@ -182,7 +182,6 @@ static void
 wmfs_scan(void)
 {
      struct geo g;
-     struct tag *t;
      struct client *c;
      int i, n, rf;
      int tag = -1, screen = -1, flags = -1;
@@ -328,6 +327,7 @@ void
 wmfs_quit(void)
 {
      struct keybind *k;
+     struct rule *r;
      struct theme *t;
      struct client *c;
 
@@ -359,6 +359,17 @@ wmfs_quit(void)
           free(t);
      }
 
+     while(!SLIST_EMPTY(&W->h.rule))
+     {
+          r = SLIST_FIRST(&W->h.rule);
+          SLIST_REMOVE_HEAD(&W->h.rule, next);
+          free(r->class);
+          free(r->instance);
+          free(r->role);
+          free(r->name);
+          free(r);
+     }
+
      while(!SLIST_EMPTY(&W->h.keybind))
      {
           k = SLIST_FIRST(&W->h.keybind);
diff --git a/src/wmfs.h b/src/wmfs.h
index 1d17135..92bee4c 100644
--- a/src/wmfs.h
+++ b/src/wmfs.h
@@ -215,6 +215,21 @@ struct theme
      SLIST_ENTRY(theme) next;
 };
 
+#define RULE_FREE       0x01
+#define RULE_MAX        0x02
+#define RULE_IGNORE_TAG 0x04
+struct rule
+{
+     struct theme *theme;
+     char *class;
+     char *instance;
+     char *role;
+     char *name;
+     int tag, screen;
+     Flags flags;
+     SLIST_ENTRY(rule) next;
+};
+
 struct wmfs
 {
      /* X11 stuffs */
@@ -242,6 +257,7 @@ struct wmfs
           SLIST_HEAD(, keybind) keybind;
           SLIST_HEAD(, barwin) barwin;
           SLIST_HEAD(, theme) theme;
+          SLIST_HEAD(, rule) rule;
      } h;
 
      /*