3 files changed, 6 insertions, 3 deletions
diff --git a/eqn.c b/eqn.c
index 897b45e9..2df45969 100644
--- a/eqn.c
+++ b/eqn.c
@@ -53,11 +53,13 @@ eqn_read(struct eqn_node **epp, int ln, const char *p, int offs)
 }
 
 struct eqn_node *
-eqn_alloc(int pos, int line)
+eqn_alloc(int pos, int line, struct mparse *parse)
 {
 	struct eqn_node	*p;
 
 	p = mandoc_calloc(1, sizeof(struct eqn_node));
+	p->parse = parse;
+
 	p->eqn.line = line;
 	p->eqn.pos = pos;
 
diff --git a/libroff.h b/libroff.h
index d3af0fde..b0e36385 100644
--- a/libroff.h
+++ b/libroff.h
@@ -45,6 +45,7 @@ struct	tbl_node {
 struct	eqn_node {
 	struct eqn	  eqn;
 	struct eqn_node	 *next;
+	struct mparse	 *parse;
 };
 
 struct tbl_node	*tbl_alloc(int, int, struct mparse *);
@@ -58,7 +59,7 @@ int		 tbl_data(struct tbl_node *, int, const char *);
 int		 tbl_cdata(struct tbl_node *, int, const char *);
 const struct tbl_span	*tbl_span(struct tbl_node *);
 void		 tbl_end(struct tbl_node *);
-struct eqn_node	*eqn_alloc(int, int);
+struct eqn_node	*eqn_alloc(int, int, struct mparse *);
 void		 eqn_end(struct eqn_node *);
 void		 eqn_free(struct eqn_node *);
 enum rofferr 	 eqn_read(struct eqn_node **, int, const char *, int);
diff --git a/roff.c b/roff.c
index 488751a6..2d931ca2 100644
--- a/roff.c
+++ b/roff.c
@@ -1179,7 +1179,7 @@ roff_EQ(ROFF_ARGS)
 	struct eqn_node	*e;
 
 	assert(NULL == r->eqn);
-	e = eqn_alloc(ppos, ln);
+	e = eqn_alloc(ppos, ln, r->parse);
 
 	if (r->last_eqn)
 		r->last_eqn->next = e;