diff --git a/bigWig.h b/bigWig.h
index b761366..8c24127 100644
--- a/bigWig.h
+++ b/bigWig.h
@@ -41,7 +41,7 @@
 /*!
  * The library version number
  */
-#define LIBBIGWIG_VERSION 0.1.3
+#define LIBBIGWIG_VERSION 0.1.4
 
 /*!
  * The magic number of a bigWig file.
diff --git a/bwWrite.c b/bwWrite.c
index ab1068e..a444735 100644
--- a/bwWrite.c
+++ b/bwWrite.c
@@ -179,16 +179,16 @@ int bwWriteHdr(bigWigFile_t *bw) {
         }
     }
 
-    //Write the chromosome list as a stupid freaking tree (because let's TREE ALL THE THINGS!!!)
-    bw->hdr->ctOffset = ftell(fp);
-    if(writeChromList(fp, bw->cl)) return 7;
-    if(writeAtPos(&(bw->hdr->ctOffset), sizeof(uint64_t), 1, 0x8, fp)) return 8;
-
     //Update summaryOffset and write an empty summary block
     bw->hdr->summaryOffset = ftell(fp);
     if(fwrite(p, sizeof(uint8_t), 40, fp) != 40) return 10;
     if(writeAtPos(&(bw->hdr->summaryOffset), sizeof(uint64_t), 1, 0x2c, fp)) return 11;
 
+    //Write the chromosome list as a stupid freaking tree (because let's TREE ALL THE THINGS!!!)
+    bw->hdr->ctOffset = ftell(fp);
+    if(writeChromList(fp, bw->cl)) return 7;
+    if(writeAtPos(&(bw->hdr->ctOffset), sizeof(uint64_t), 1, 0x8, fp)) return 8;
+
     //Update the dataOffset
     bw->hdr->dataOffset = ftell(fp);
     if(writeAtPos(&bw->hdr->dataOffset, sizeof(uint64_t), 1, 0x10, fp)) return 12;