diff --git a/src/detections/utils.rs b/src/detections/utils.rs
index fa86b628..59f8f2d1 100644
--- a/src/detections/utils.rs
+++ b/src/detections/utils.rs
@@ -341,9 +341,26 @@ fn _collect_recordinfo<'a>(
     }
 }
 
+/**
+ * 最初の文字を大文字にする関数
+ */
+pub fn make_ascii_titlecase(s: &mut str) -> String {
+    let mut c = s.chars();
+    match c.next() {
+        None => String::new(),
+        Some(f) => {
+            if !f.is_ascii() {
+                s.to_string()
+            } else {
+                f.to_uppercase().collect::<String>() + c.as_str()
+            }
+        }
+    }
+}
+
 #[cfg(test)]
 mod tests {
-    use crate::detections::utils;
+    use crate::detections::utils::{self, make_ascii_titlecase};
     use regex::Regex;
     use serde_json::Value;
 
@@ -494,4 +511,15 @@ mod tests {
 
         assert!(utils::get_serde_number_to_string(&event_record["Event"]["EventData"]).is_none());
     }
+
+    #[test]
+    /// 文字列を与えてascii文字を大文字にするように対応する関数のテスト
+    fn test_make_ascii_titlecase() {
+        assert_eq!(make_ascii_titlecase("aaaa".to_string().as_mut()), "Aaaa");
+        assert_eq!(
+            make_ascii_titlecase("i am Test".to_string().as_mut()),
+            "I am Test"
+        );
+        assert_eq!(make_ascii_titlecase("β".to_string().as_mut()), "β");
+    }
 }
diff --git a/src/yaml.rs b/src/yaml.rs
index 3d0a19a2..842fb6d2 100644
--- a/src/yaml.rs
+++ b/src/yaml.rs
@@ -418,7 +418,13 @@ mod tests {
         let mut yaml = yaml::ParseYaml::new();
         let path = Path::new("test_files/rules/yaml");
         yaml.read_dir(path, "", &filter::exclude_ids()).unwrap();
-        assert_eq!(yaml.exclude_rule_count, 5);
+        assert_eq!(
+            yaml.rule_load_status_cnt
+                .get("excluded")
+                .unwrap()
+                .to_owned(),
+            5
+        );
     }
     #[test]
     fn test_all_noisy_rules_file() {
@@ -427,7 +433,10 @@ mod tests {
         let mut yaml = yaml::ParseYaml::new();
         let path = Path::new("test_files/rules/yaml");
         yaml.read_dir(path, "", &filter::exclude_ids()).unwrap();
-        assert_eq!(yaml.noisy_rule_count, 5);
+        assert_eq!(
+            yaml.rule_load_status_cnt.get("noisy").unwrap().to_owned(),
+            5
+        );
     }
     #[test]
     fn test_none_exclude_rules_file() {
@@ -437,7 +446,13 @@ mod tests {
         let path = Path::new("test_files/rules/yaml");
         let exclude_ids = RuleExclude::default();
         yaml.read_dir(path, "", &exclude_ids).unwrap();
-        assert_eq!(yaml.exclude_rule_count, 0);
+        assert_eq!(
+            yaml.rule_load_status_cnt
+                .get("excluded")
+                .unwrap()
+                .to_owned(),
+            0
+        );
     }
     #[test]
     fn test_exclude_deprecated_rules_file() {
@@ -445,6 +460,12 @@ mod tests {
         let path = Path::new("test_files/rules/deprecated");
         let exclude_ids = RuleExclude::default();
         yaml.read_dir(path, "", &exclude_ids).unwrap();
-        assert_eq!(yaml.deprecate_rule_count, 1);
+        assert_eq!(
+            yaml.rule_load_status_cnt
+                .get("deprecate")
+                .unwrap()
+                .to_owned(),
+            2
+        );
     }
 }