diff --git a/operator-post-inc.go b/operator-post-inc.go
index 2b4d5ad..94f87f5 100644
--- a/operator-post-inc.go
+++ b/operator-post-inc.go
@@ -12,7 +12,7 @@ func newPostIncTerm(tk *Token) *term {
 		parent:   nil,
 		children: make([]*term, 0, 1),
 		position: posPostfix,
-		priority: priPrePost,
+		priority: priIncDec,
 		evalFunc: evalPostInc,
 	}
 }