diff --git a/lang_data/en/lemma_rules.json b/lang_data/en/lemma_rules.json
index 1d7366f92..30a19be50 100644
--- a/lang_data/en/lemma_rules.json
+++ b/lang_data/en/lemma_rules.json
@@ -31,6 +31,8 @@
 
     "punct": [
         ["“", "\""],
-        ["”", "\""]
+        ["”", "\""],
+        ['\u2018', "'"],
+        ['\u2019', "'"]
     ]
 }