diff -uNrp src/src/core/indexing.cpp src.new/src/core/indexing.cpp
--- src/src/core/indexing.cpp	2013-04-01 13:01:20 +0300
+++ src.new/src/core/indexing.cpp	2013-08-28 12:38:17 +0300
@@ -542,6 +542,15 @@ void FFMS_Index::WriteIndex(const char *
 void FFMS_Index::ReadIndex(const char *IndexFile) {
 	ffms_fstream Index(IndexFile, std::ios::in | std::ios::binary);
 
+	std::streampos fsize = Index.tellg();
+	Index.seekg( 0, std::ios::end );
+	fsize = Index.tellg() - fsize;
+	Index.seekg( 0, std::ios::beg );
+
+	if (fsize == 0)
+		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
+			std::string("'") + IndexFile + "' is not a valid index file");
+
 	if (!Index.is_open())
 		throw FFMS_Exception(FFMS_ERROR_PARSER, FFMS_ERROR_FILE_READ,
 			std::string("Failed to open '") + IndexFile + "' for reading");