diff --git a/gencat/gencat.c b/gencat/gencat.c
index 31bc32e..3d6bd73 100644
--- a/gencat/gencat.c
+++ b/gencat/gencat.c
@@ -93,7 +93,7 @@ int main(int argc, char **argv)
 	}
 	read_tree(file);
 	fclose(file);
-	set_libs(tree, lookup_sym);
+	set_libs(tree);
 
 	for (arg = argv+optind+1; *arg; arg++) {
 		file = fopen(*arg, "r");
diff --git a/gencat/tree.c b/gencat/tree.c
index 3a401aa..e74c21b 100644
--- a/gencat/tree.c
+++ b/gencat/tree.c
@@ -203,21 +203,19 @@ void read_desc(FILE *file)
 }
 
 
-void set_libs(struct node *node,
-    const char *(*find_lib)(const char *sym, const struct name **names,
-    int *units))
+void set_libs(struct node *node)
 {
 	while (node) {
 		if (!node->child) {
-			node->lib =
-			    find_lib(node->name, &node->names, &node->units);
+			node->lib = lookup_sym(node->name,
+			    &node->names, &node->units);
 			if (!node->lib) {
 				fprintf(stderr, "symbol %s not found\n",
 				    node->name);
 				exit(1);
 			}
 		}
-		set_libs(node->child, find_lib);
+		set_libs(node->child);
 		node = node->next;
 	}
 }
diff --git a/gencat/tree.h b/gencat/tree.h
index 23e04fc..1eb5146 100644
--- a/gencat/tree.h
+++ b/gencat/tree.h
@@ -39,9 +39,7 @@ extern struct node *tree;
 
 void read_tree(FILE *file);
 void read_desc(FILE *file);
-void set_libs(struct node *node,
-    const char *(*find_lib)(const char *sym, const struct name **names,
-    int *units));
+void set_libs(struct node *node);
 void dump_tree(void);
 void dump_comp(void);