diff --git a/mspec/lib/mspec/runner/mspec.rb b/mspec/lib/mspec/runner/mspec.rb
index f094da0..c48e568 100644
--- a/mspec/lib/mspec/runner/mspec.rb
+++ b/mspec/lib/mspec/runner/mspec.rb
@@ -293,7 +293,7 @@ module MSpec
   # file if it is empty.
   def self.delete_tag(tag)
     deleted = false
-    pattern = /#{tag.tag}.*#{Regexp.escape tag.description}/
+    pattern = /#{tag.tag}.*#{Regexp.escape(tag.escape(tag.description))}/
     file = tags_file
     if File.exist? file
       lines = IO.readlines(file)
diff --git a/mspec/spec/runner/mspec_spec.rb b/mspec/spec/runner/mspec_spec.rb
index a7ff4fd..b562d75 100644
--- a/mspec/spec/runner/mspec_spec.rb
+++ b/mspec/spec/runner/mspec_spec.rb
@@ -415,6 +415,7 @@ describe MSpec, ".write_tags" do
     IO.read(tmp("tags.txt")).should == %[fail(broken):Some#method? works
 incomplete(20%):The#best method ever
 benchmark(0.01825):The#fastest method today
+extended():\"Multi-line\\ntext\\ntag\"
 ]
     MSpec.write_tags [@tag1, @tag2]
     IO.read(tmp("tags.txt")).should == %[check(broken):Tag#rewrite works
@@ -461,6 +462,15 @@ describe MSpec, ".delete_tag" do
     MSpec.delete_tag(@tag).should == true
     IO.read(tmp("tags.txt")).should == %[incomplete(20%):The#best method ever
 benchmark(0.01825):The#fastest method today
+extended():\"Multi-line\\ntext\\ntag\"
+]
+  end
+
+  it "deletes a tag with escaped newlines" do
+    MSpec.delete_tag(SpecTag.new('extended:"Multi-line\ntext\ntag"')).should == true
+    IO.read(tmp("tags.txt")).should == %[fail(broken):Some#method? works
+incomplete(20%):The#best method ever
+benchmark(0.01825):The#fastest method today
 ]
   end
 
@@ -470,6 +480,7 @@ benchmark(0.01825):The#fastest method today
     IO.read(tmp("tags.txt")).should == %[fail(broken):Some#method? works
 incomplete(20%):The#best method ever
 benchmark(0.01825):The#fastest method today
+extended():\"Multi-line\\ntext\\ntag\"
 ]
   end
 
@@ -477,6 +488,7 @@ benchmark(0.01825):The#fastest method today
     MSpec.delete_tag(@tag).should == true
     MSpec.delete_tag(SpecTag.new("incomplete:The#best method ever")).should == true
     MSpec.delete_tag(SpecTag.new("benchmark:The#fastest method today")).should == true
+    MSpec.delete_tag(SpecTag.new("extended:\"Multi-line\ntext\ntag\"")).should == true
     File.exist?(tmp("tags.txt")).should == false
   end
 end
diff --git a/mspec/spec/runner/tags.txt b/mspec/spec/runner/tags.txt
index 5e39ee5..f4eb6ad 100644
--- a/mspec/spec/runner/tags.txt
+++ b/mspec/spec/runner/tags.txt
@@ -1,3 +1,4 @@
 fail(broken):Some#method? works
 incomplete(20%):The#best method ever
 benchmark(0.01825):The#fastest method today
+extended():"Multi-line\ntext\ntag"