diff --git a/lib/error-inject.c b/lib/error-inject.c
index c0d4600..aa63751 100644
--- a/lib/error-inject.c
+++ b/lib/error-inject.c
@@ -189,7 +189,7 @@
 {
 	struct ei_entry *ent = list_entry(v, struct ei_entry, list);
 
-	seq_printf(m, "%pf\t%s\n", (void *)ent->start_addr,
+	seq_printf(m, "%ps\t%s\n", (void *)ent->start_addr,
 		   error_type_string(ent->etype));
 	return 0;
 }