diff --git a/lib/file.js b/lib/file.js
index 0fb55d05..0cfb8a4b 100644
--- a/lib/file.js
+++ b/lib/file.js
@@ -166,6 +166,9 @@ FileCoverage.prototype.getLineCoverage = function () {
         lineMap = {};
 
     Object.keys(statements).forEach(function (st) {
+        if (!statementMap[st]) {
+            return;
+        }
         var line = statementMap[st].start.line,
             count = statements[st],
             prevVal = lineMap[line];