diff --git a/util/LLgen/src/reach.c b/util/LLgen/src/reach.c
index 5bc3e7c17..a69ddf89d 100644
--- a/util/LLgen/src/reach.c
+++ b/util/LLgen/src/reach.c
@@ -106,7 +106,7 @@ reachwalk(p) register p_gram p; {
 			register p_nont n = &nonterms[g_getcont(p)];
 
 			reachable(n);
-			if (p->n_rule && g_gettype(n->n_rule) == EORULE &&
+			if (n->n_rule && g_gettype(n->n_rule) == EORULE &&
 			    ! g_getnpar(p) && (getntparams(n) == 0)) {
 				register p_gram np = p;
 				do {