diff --git a/grammar.js b/grammar.js
index 80e4ffa..e5a60e5 100644
--- a/grammar.js
+++ b/grammar.js
@@ -1454,7 +1454,7 @@ module.exports = grammar({
 
     character: $ => seq(
       "'",
-      choice(/[^\\']/, $.escape_sequence),
+      repeat(choice(/[^\\']/, $.escape_sequence)),
       "'"
     ),
 
diff --git a/test/corpus/literals.txt b/test/corpus/literals.txt
index 5e40d76..1bbf616 100644
--- a/test/corpus/literals.txt
+++ b/test/corpus/literals.txt
@@ -185,6 +185,9 @@ Characters
 '\\'
 'Ж'
 '😬'
+'\o021'
+'\179'
+'\u{1F600}'
 
 ---
 
@@ -193,7 +196,10 @@ Characters
   (expression_statement (character (escape_sequence)))
   (expression_statement (character (escape_sequence)))
   (expression_statement (character))
-  (expression_statement (character)))
+  (expression_statement (character))
+  (expression_statement (character (escape_sequence)))
+  (expression_statement (character (escape_sequence)))
+  (expression_statement (character (escape_sequence))))
 
 ============================================
 Polyvars