diff --git a/data/dictionary/STPhrases.txt b/data/dictionary/STPhrases.txt
index cb05687a0..2076d52a4 100644
--- a/data/dictionary/STPhrases.txt
+++ b/data/dictionary/STPhrases.txt
@@ -8675,6 +8675,7 @@
 前呼后拥	前呼後擁
 前回	前回
 前因后果	前因後果
+前头发生	前頭發生
 前奏曲	前奏曲
 前婚后嫁	前婚後嫁
 前家后继	前家後繼
diff --git a/test/testcases/testcases.json b/test/testcases/testcases.json
index 95a95e0b7..f779b3253 100755
--- a/test/testcases/testcases.json
+++ b/test/testcases/testcases.json
@@ -1825,6 +1825,36 @@
         "tw2sp": "干红",
         "hk2sp": "干红"
       }
+    },
+    {
+      "id": "BYVoid_OpenCC_Issue_586_qiantou_fasheng",
+      "input": "前头发生",
+      "expected": {
+        "s2t": "前頭發生",
+        "s2tw": "前頭發生",
+        "s2twp": "前頭發生",
+        "s2hk": "前頭發生"
+      }
+    },
+    {
+      "id": "BYVoid_OpenCC_Issue_586_qiantoufa_control",
+      "input": "前头发 剪头发 头发",
+      "expected": {
+        "s2t": "前頭髮 剪頭髮 頭髮",
+        "s2tw": "前頭髮 剪頭髮 頭髮",
+        "s2twp": "前頭髮 剪頭髮 頭髮",
+        "s2hk": "前頭髮 剪頭髮 頭髮"
+      }
+    },
+    {
+      "id": "BYVoid_OpenCC_Issue_586_fa_control",
+      "input": "喉头发干 不断发生",
+      "expected": {
+        "s2t": "喉頭發乾 不斷發生",
+        "s2tw": "喉頭發乾 不斷發生",
+        "s2twp": "喉頭發乾 不斷發生",
+        "s2hk": "喉頭發乾 不斷發生"
+      }
     }
   ]
 }