diff --git a/lib/lexer.js b/lib/lexer.js
index fd5c08ab..945f11d7 100644
--- a/lib/lexer.js
+++ b/lib/lexer.js
@@ -624,7 +624,7 @@
   HEREDOC_INDENT = /\n+([^\n\S]*)/g;
   HEREDOC_ILLEGAL = /\*\//;
   ASSIGNED = /^\s*@?([$A-Za-z_][$\w\x7f-\uffff]*|['"].*['"])[^\n\S]*?[:=][^:=>]/;
-  LINE_CONTINUER = /^\s*(?:,|\??\.(?!\.)|::)/;
+  LINE_CONTINUER = /^\s*(?:,|\??\.(?![.\d])|::)/;
   TRAILING_SPACES = /\s+$/;
   NO_NEWLINE = /^(?:[-+*&|\/%=<>!.\\][<>=&|]*|and|or|is(?:nt)?|n(?:ot|ew)|delete|typeof|instanceof)$/;
   COMPOUND_ASSIGN = ['-=', '+=', '/=', '*=', '%=', '||=', '&&=', '?=', '<<=', '>>=', '>>>=', '&=', '^=', '|='];
diff --git a/src/lexer.coffee b/src/lexer.coffee
index f29ec69b..35196535 100644
--- a/src/lexer.coffee
+++ b/src/lexer.coffee
@@ -601,7 +601,7 @@ HEREDOC_ILLEGAL = /\*\//
 
 ASSIGNED        = /^\s*@?([$A-Za-z_][$\w\x7f-\uffff]*|['"].*['"])[^\n\S]*?[:=][^:=>]/
 
-LINE_CONTINUER  = /// ^ \s* (?: , | \??\.(?!\.) | :: ) ///
+LINE_CONTINUER  = /// ^ \s* (?: , | \??\.(?![.\d]) | :: ) ///
 
 TRAILING_SPACES = /\s+$/