diff --git a/lib/jsduck/lexer.rb b/lib/jsduck/lexer.rb
index e6c54480a6efac4445d77195e70634a4199d3daf..8ec3d9853f3ea2d798a732b471600f2de6e35050 100644
--- a/lib/jsduck/lexer.rb
+++ b/lib/jsduck/lexer.rb
@@ -140,7 +140,7 @@ module JsDuck
         elsif @input.check(/\//)
           # Several things begin with dash:
           # - comments, regexes, division-operators
-          if @input.check(/\/\*\*/)
+          if @input.check(/\/\*\*[^\/]/)
             return {
               :type => :doc_comment,
               # Calculate current line number, starting with 1
diff --git a/spec/lexer_spec.rb b/spec/lexer_spec.rb
index fd1fe667aed925981d90d9d78708a04d44cf1ad7..43304ac28c1c61a92fc6476fdf3e49d41912a0fa 100644
--- a/spec/lexer_spec.rb
+++ b/spec/lexer_spec.rb
@@ -127,6 +127,10 @@ describe JsDuck::Lexer do
     lex("a /* foo */ b").should == [[:ident, "a"], [:ident, "b"]]
   end
 
+  it "ignores empty multi-line comments" do
+    lex("a /**/ b").should == [[:ident, "a"], [:ident, "b"]]
+  end
+
   it "identifies doc-comments together with line numbers" do
     lex("/** foo */").should == [[:doc_comment, "/** foo */", 1]]
   end