diff --git a/lib/lexer.js b/lib/lexer.js
index bf0b38f8..71bf0c34 100644
--- a/lib/lexer.js
+++ b/lib/lexer.js
@@ -190,7 +190,9 @@
       if (!(this.chunk.charAt(0) === '`' && (match = JSTOKEN.exec(this.chunk)))) {
         return 0;
       }
-      this.token('JS', (script = match[0]).slice(1, -1));
+      script = match[0];
+      this.line += count(script, '\n');
+      this.token('JS', script.slice(1, -1));
       return script.length;
     };
     Lexer.prototype.regexToken = function() {
diff --git a/src/lexer.coffee b/src/lexer.coffee
index d4170c57..3e11fc40 100644
--- a/src/lexer.coffee
+++ b/src/lexer.coffee
@@ -181,7 +181,9 @@ exports.Lexer = class Lexer
   # Matches JavaScript interpolated directly into the source via backticks.
   jsToken: ->
     return 0 unless @chunk.charAt(0) is '`' and match = JSTOKEN.exec @chunk
-    @token 'JS', (script = match[0]).slice 1, -1
+    script = match[0]
+    @line += count script, '\n'
+    @token 'JS', script[1...-1]
     script.length
 
   # Matches regular expression literals. Lexing regular expressions is difficult