diff --git a/ChangeLog b/ChangeLog
index dfafdfbf2..0229dce31 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2019-07-22  Weiyi Wu  <w1w2y3@gmail.com>
+
+	* src/cid/cidload.c (cid_hex_to_binary): Fix typo (#56653).
+
 2019-07-12  Werner Lemberg  <wl@gnu.org>
 
 	[sfnt, winfonts] Avoid memory leaks in case of error (#56587).
diff --git a/src/cid/cidload.c b/src/cid/cidload.c
index fce3e37da..fdd877ec3 100644
--- a/src/cid/cidload.c
+++ b/src/cid/cidload.c
@@ -715,7 +715,7 @@
       if ( ft_isdigit( *p ) )
         val = (FT_Byte)( *p - '0' );
       else if ( *p >= 'a' && *p <= 'f' )
-        val = (FT_Byte)( *p - 'a' );
+        val = (FT_Byte)( *p - 'a' + 10 );
       else if ( *p >= 'A' && *p <= 'F' )
         val = (FT_Byte)( *p - 'A' + 10 );
       else if ( *p == ' '  ||