diff --git a/src/diff-parser.js b/src/diff-parser.js
index 5911db35..a8baa96d 100644
--- a/src/diff-parser.js
+++ b/src/diff-parser.js
@@ -119,6 +119,29 @@
     };
 
     var diffLines = diffInput.split('\n');
+
+    /* Diff */
+    var oldMode = /^old mode (\d{6})/;
+    var newMode = /^new mode (\d{6})/;
+    var deletedFileMode = /^deleted file mode (\d{6})/;
+    var newFileMode = /^new file mode (\d{6})/;
+
+    var copyFrom = /^copy from (.+)/;
+    var copyTo = /^copy to (.+)/;
+
+    var renameFrom = /^rename from (.+)/;
+    var renameTo = /^rename to (.+)/;
+
+    var similarityIndex = /^similarity index (\d+)%/;
+    var dissimilarityIndex = /^dissimilarity index (\d+)%/;
+    var index = /^index ([0-9a-z]+)..([0-9a-z]+) (\d{6})?/;
+
+    /* Combined Diff */
+    var combinedIndex = /^index ([0-9a-z]+),([0-9a-z]+)..([0-9a-z]+)/;
+    var combinedMode = /^mode (\d{6}),(\d{6})..(\d{6})/;
+    var combinedNewFile = /^new file mode (\d{6})/;
+    var combinedDeletedFile = /^deleted file mode (\d{6}),(\d{6})/;
+
     diffLines.forEach(function(line) {
       // Unmerged paths, and possibly other non-diffable files
       // https://github.com/scottgonzalez/pretty-diff/issues/11
@@ -127,28 +150,6 @@
         return;
       }
 
-      /* Diff */
-      var oldMode = /^old mode (\d{6})/;
-      var newMode = /^new mode (\d{6})/;
-      var deletedFileMode = /^deleted file mode (\d{6})/;
-      var newFileMode = /^new file mode (\d{6})/;
-
-      var copyFrom = /^copy from (.+)/;
-      var copyTo = /^copy to (.+)/;
-
-      var renameFrom = /^rename from (.+)/;
-      var renameTo = /^rename to (.+)/;
-
-      var similarityIndex = /^similarity index (\d+)%/;
-      var dissimilarityIndex = /^dissimilarity index (\d+)%/;
-      var index = /^index ([0-9a-z]+)..([0-9a-z]+) (\d{6})?/;
-
-      /* Combined Diff */
-      var combinedIndex = /^index ([0-9a-z]+),([0-9a-z]+)..([0-9a-z]+)/;
-      var combinedMode = /^mode (\d{6}),(\d{6})..(\d{6})/;
-      var combinedNewFile = /^new file mode (\d{6})/;
-      var combinedDeletedFile = /^deleted file mode (\d{6}),(\d{6})/;
-
       var values = [];
       if (utils.startsWith(line, 'diff')) {
         startFile();