diff --git a/src/parser.y b/src/parser.y
index a49e5c2..5f6fed0 100644
--- a/src/parser.y
+++ b/src/parser.y
@@ -833,10 +833,10 @@ tables_spec		:	family_spec
 			}
 			;
 
-chain_spec		:	table_spec	identifier
+chain_spec		:	table_spec	SLASH	identifier
 			{
 				$$		= $1;
-				$$.chain	= $2;
+				$$.chain	= $3;
 			}
 			;
 
diff --git a/src/scanner.l b/src/scanner.l
index cee6aa6..ba1dcdf 100644
--- a/src/scanner.l
+++ b/src/scanner.l
@@ -111,7 +111,7 @@ decstring	{digit}+
 hexstring	0[xX]{hexdigit}+
 range		({decstring}?:{decstring}?)
 letter		[a-zA-Z]
-string		({letter})({letter}|{digit}|[/\-_\.])*
+string		({letter})({letter}|{digit}|[\-_\.])*
 quotedstring	\"[^"]*\"
 comment		#.*$
 slash		\/