diff --git a/src/patterns.rs b/src/patterns.rs
index 2e90f719853..6bba3d4c6e2 100644
--- a/src/patterns.rs
+++ b/src/patterns.rs
@@ -63,8 +63,9 @@ impl Rewrite for Pat {
                 if pat_vec.is_empty() {
                     Some(path_str)
                 } else {
-                    let width = try_opt!(width.checked_sub(path_str.len()));
-                    let offset = offset + path_str.len();
+                    // 1 = (
+                    let width = try_opt!(width.checked_sub(path_str.len() + 1));
+                    let offset = offset + path_str.len() + 1;
                     let items = itemize_list(context.codemap,
                                              pat_vec.iter(),
                                              ")",
diff --git a/tests/source/pattern.rs b/tests/source/pattern.rs
index 4192d521085..930ffe2258f 100644
--- a/tests/source/pattern.rs
+++ b/tests/source/pattern.rs
@@ -12,3 +12,14 @@ fn main() {
 
     if let  None  =   opt2 { panic!("oh noes"); }
 }
+
+impl<'a,'b> ResolveGeneratedContentFragmentMutator<'a,'b> {
+    fn mutate_fragment(&mut self, fragment: &mut Fragment) {
+        match **info {
+            GeneratedContentInfo::ContentItem(
+                ContentItem::Counter(
+                    ref counter_name,
+                    counter_style
+                )
+            ) => {}}}
+}
diff --git a/tests/target/pattern.rs b/tests/target/pattern.rs
index 38ebe675a40..aa121268daf 100644
--- a/tests/target/pattern.rs
+++ b/tests/target/pattern.rs
@@ -14,3 +14,12 @@ fn main() {
         panic!("oh noes");
     }
 }
+
+impl<'a,'b> ResolveGeneratedContentFragmentMutator<'a,'b> {
+    fn mutate_fragment(&mut self, fragment: &mut Fragment) {
+        match **info {
+            GeneratedContentInfo::ContentItem(ContentItem::Counter(ref counter_name,
+                                                                   counter_style)) => {}
+        }
+    }
+}