diff --git a/src/windowMaker/windowMaker.cpp b/src/windowMaker/windowMaker.cpp
index 7b0eb85311b8869313bda17abd2d58ad0863663f..0d4eeb6892356e55c01159fb932e85500df8863b 100644
--- a/src/windowMaker/windowMaker.cpp
+++ b/src/windowMaker/windowMaker.cpp
@@ -51,7 +51,7 @@ void WindowMaker::MakeWindowsFromGenome(const string& genomeFileName) {
     for (size_t c = 0; c < chromList.size(); ++c) {
         string chrom = chromList[c];
 
-        BED bed(chrom,0,_genome->getChromSize(chrom));
+        BED bed(chrom,0,_genome->getChromSize(chrom),chrom,"","");
         MakeBEDWindow(bed);
     }
 }