diff --git a/vlib/v/fmt/fmt.v b/vlib/v/fmt/fmt.v
index 544d38c567..e4b873234c 100644
--- a/vlib/v/fmt/fmt.v
+++ b/vlib/v/fmt/fmt.v
@@ -1893,8 +1893,8 @@ fn branch_is_single_line(b ast.IfBranch) bool {
 }
 
 pub fn (mut f Fmt) if_guard_expr(node ast.IfGuardExpr) {
-	if node.is_mut { 
-		f.write('mut ') 
+	if node.is_mut {
+		f.write('mut ')
 	}
 	f.write(node.var_name + ' := ')
 	f.expr(node.expr)