diff --git a/src/chains.rs b/src/chains.rs
index 8cb726bd4b4..3d148d19a55 100644
--- a/src/chains.rs
+++ b/src/chains.rs
@@ -176,7 +176,7 @@ pub fn rewrite_chain(expr: &ast::Expr, context: &RewriteContext, shape: Shape) -
         .fold(0, |a, b| a + first_line_width(b)) + parent_rewrite.len();
     let one_line_len = rewrites.iter().fold(0, |a, r| a + r.len()) + parent_rewrite.len();
 
-    let veto_single_line = if one_line_len > context.config.chain_one_line_max - 1 {
+    let veto_single_line = if one_line_len > context.config.chain_one_line_max {
         if rewrites.len() > 1 {
             true
         } else if rewrites.len() == 1 {