diff --git a/src/inlines.c b/src/inlines.c
index 0c1bc36b1..695bbd0c4 100644
--- a/src/inlines.c
+++ b/src/inlines.c
@@ -446,6 +446,7 @@ static int scan_delims(subject *subj, unsigned char c, bool *can_open,
     }
     if (before_char >= 0xfe00 && before_char <= 0xfe02) {
       // standard variation selector, go back one more code point:
+      before_char_pos -= 1;
       while (peek_at(subj, before_char_pos) >> 6 == 2 &&
              before_char_pos > 0) {
         before_char_pos -= 1;
diff --git a/src/utf8.c b/src/utf8.c
index 3d0c36e52..55758bf04 100644
--- a/src/utf8.c
+++ b/src/utf8.c
@@ -478,7 +478,7 @@ int cmark_utf8proc_is_CJK(int32_t uc) {
        || (uc >= 0x30000 && uc <= 0x3134F) // CJK Unified Ideographs Extension G
        || (uc >= 0x31350 && uc <= 0x323AF) // CJK Unified Ideographs Extension H
     // || (uc >= 0x323B0 && */ uc <= 0x3FFFF) // Unused TIP region (probably CJK characters will be allocated)
-       || (uc >= 0xE0100 && uc <= 0xE01FF) // Ideographic Variation Sequences
+       || (uc >= 0xE0100 && uc <= 0xE01EF) // Ideographic Variation Sequences
     );
   }
 }
diff --git a/test/cjkemphasis.txt b/test/cjkemphasis.txt
index d8b718a64..a0a04110d 100644
--- a/test/cjkemphasis.txt
+++ b/test/cjkemphasis.txt
@@ -590,9 +590,9 @@ Git**（注：不是GitHub）**
 
 
 ```````````````````````````````` example
-**(U+317DB)**
+𱟛**(U+317DB)**
 .
-<p><strong>(U+317DB)</strong></p>
+<p>𱟛<strong>(U+317DB)</strong></p>
 ````````````````````````````````
 
 
@@ -618,9 +618,9 @@ Git**（注：不是GitHub）**
 
 
 ```````````````````````````````` example
-大塚︀**(or 大塚 / 大塚)**
+大塚︀**(U+585A U+FE00)** 大塚**(U+FA10)**
 .
-<p>大塚︀<strong>(or 大塚 / 大塚)</strong></p>
+<p>大塚︀<strong>(U+585A U+FE00)</strong> 大塚<strong>(U+FA10)</strong></p>
 ````````````````````````````````