diff --git a/src/lib/psplay.h b/src/lib/psplay.h
index 26639910a..b3c016c52 100644
--- a/src/lib/psplay.h
+++ b/src/lib/psplay.h
@@ -51,6 +51,7 @@ struct psplaynode_struct
   PSplaynode right;
 };
 
+#define PSPLAYNODE_INITIALIZER {NULL, NULL}
 
 /**
  * Function use to compare keys