diff --git a/traffic_core/src/traffic.rs b/traffic_core/src/traffic.rs
index 43c94da..2a7f4f7 100644
--- a/traffic_core/src/traffic.rs
+++ b/traffic_core/src/traffic.rs
@@ -606,14 +606,17 @@ fn is_not_found_error(stderr_or_msg: &str) -> bool {
 fn parse_root_class_rate_ceil(raw: &str, class_id: &str) -> Option<ClassRateCeil> {
     for line in raw.lines() {
         let t = line.trim();
-        if !t.contains("class htb")
-            || !t.contains(class_id)
-            || !t.contains(" rate ")
-            || !t.contains(" ceil ")
-        {
+        if !t.contains("class htb") || !t.contains(" rate ") || !t.contains(" ceil ") {
             continue;
         }
         let toks: Vec<&str> = t.split_whitespace().collect();
+        let class = toks
+            .iter()
+            .position(|v| *v == "htb")
+            .and_then(|i| toks.get(i + 1))?;
+        if *class != class_id {
+            continue;
+        }
         let rate = toks
             .iter()
             .position(|v| *v == "rate")
@@ -1125,10 +1128,16 @@ mod tests {
 
     #[test]
     fn parse_root_rate_ceil() {
-        let raw = "class htb 1:1 root rate 1000Mbit ceil 1000Mbit";
+        let raw = "class htb 1:10 parent 1:1 leaf 800f: prio 0 rate 50Mbit ceil 50Mbit burst 1600b cburst 1600b\nclass htb 1:1 root rate 500Mbit ceil 500Mbit burst 1600b cburst 1600b";
         let rc = parse_root_class_rate_ceil(raw, "1:1").expect("root class exists");
-        assert_eq!(normalize_tc_rate(&rc.rate), "1000mbit");
-        assert_eq!(normalize_tc_rate(&rc.ceil), "1000mbit");
+        assert_eq!(normalize_tc_rate(&rc.rate), "500mbit");
+        assert_eq!(normalize_tc_rate(&rc.ceil), "500mbit");
+    }
+
+    #[test]
+    fn parse_root_rate_ceil_returns_none_when_only_parent_matches() {
+        let raw = "class htb 1:10 parent 1:1 leaf 800f: prio 0 rate 50Mbit ceil 50Mbit burst 1600b cburst 1600b";
+        assert!(parse_root_class_rate_ceil(raw, "1:1").is_none());
     }
 
     #[test]