diff --git a/src/modal.c b/src/modal.c
index ee1e872..688020c 100644
--- a/src/modal.c
+++ b/src/modal.c
@@ -5,7 +5,7 @@ typedef struct {
 } Rule;
 
 static int rules_len, direction;
-static Rule rules[0x100], *rules_;
+static Rule rules[0x1000], *rules_ = rules;
 static char dict[0x8000], *dict_ = dict;
 static char bank_a[0x4000], *prog_ = bank_a;
 static char bank_b[0x4000], *outp_ = bank_b;
@@ -137,8 +137,8 @@ static int
 add_rule(char *p)
 {
 	char c;
-	Rule *r = &rules[rules_len++];
-	rules_++;
+	Rule *r = rules_++;
+	rules_len++;
 	p += 2;
 	while((c = *p) && c <= ' ') p++;
 	r->a = parse_rule(p), p = walk(p);