1 files changed, 1 insertions, 1 deletions
diff --git a/print.h b/print.h
index 4df3f20ca6..1187651ff0 100644
--- a/print.h
+++ b/print.h
@@ -111,7 +111,7 @@ typedef struct {
 struct _output_fields;
 typedef struct _output_fields output_fields_t;
 
-extern output_fields_t* output_fields_new();
+extern output_fields_t* output_fields_new(void);
 extern void output_fields_free(output_fields_t* info);
 extern void output_fields_add(output_fields_t* info, const gchar* field);
 extern gsize output_fields_num_fields(output_fields_t* info);