diff --git a/srcpos.c b/srcpos.c
index aa3aad0..9d38459 100644
--- a/srcpos.c
+++ b/srcpos.c
@@ -252,7 +252,7 @@ srcpos_string(struct srcpos *pos)
 	const char *fname = "<no-file>";
 	char *pos_str;
 
-	if (pos)
+	if (pos->file && pos->file->name)
 		fname = pos->file->name;