diff --git a/java/src/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilder.java b/java/src/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilder.java
index 110078246..60436fb15 100644
--- a/java/src/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilder.java
+++ b/java/src/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilder.java
@@ -31,6 +31,7 @@ import org.broad.tribble.*;
 import org.broad.tribble.index.Index;
 import org.broad.tribble.index.IndexFactory;
 import org.broad.tribble.index.linear.LinearIndex;
+import org.broad.tribble.index.linear.LinearIndexCreator;
 import org.broad.tribble.source.BasicFeatureSource;
 import org.broad.tribble.vcf.NameAwareCodec;
 import org.broadinstitute.sting.gatk.refdata.tracks.TribbleTrack;
@@ -279,6 +280,7 @@ public class TribbleRMDTrackBuilder extends PluginManager<FeatureCodec> implemen
     private static Index createIndexInMemory(File inputFile, FeatureCodec codec) throws IOException {
         // this can take a while, let them know what we're doing
         logger.info("Creating Tribble index in memory for file " + inputFile);
-        return new LinearIndex(16000,inputFile.getAbsolutePath());
+        LinearIndexCreator creator = new LinearIndexCreator(inputFile,codec,null);
+        return creator.createIndex();
     }
 }
diff --git a/java/test/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilderUnitTest.java b/java/test/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilderUnitTest.java
index 01a25663b..262c32b87 100644
--- a/java/test/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilderUnitTest.java
+++ b/java/test/org/broadinstitute/sting/gatk/refdata/tracks/builders/TribbleRMDTrackBuilderUnitTest.java
@@ -97,7 +97,7 @@ public class TribbleRMDTrackBuilderUnitTest extends BaseTest {
 
     @Test
     public void testBuilderIndexDirectoryUnwritable() {
-        File vcfFile = new File(validationDataLocation + "/ROD_validation/read_only/no_index.vcf.vcf");
+        File vcfFile = new File(validationDataLocation + "/ROD_validation/read_only/no_index.vcf");
         File vcfFileIndex = new File(validationDataLocation + "/ROD_validation/read_only/no_index.vcf.idx");
 
         Index ind = null;
diff --git a/settings/repository/org.broad/tribble-121M.jar b/settings/repository/org.broad/tribble-122M.jar
similarity index 89%
rename from settings/repository/org.broad/tribble-121M.jar
rename to settings/repository/org.broad/tribble-122M.jar
index 56bf4a1cf..a39750e2f 100644
Binary files a/settings/repository/org.broad/tribble-121M.jar and b/settings/repository/org.broad/tribble-122M.jar differ
diff --git a/settings/repository/org.broad/tribble-121M.xml b/settings/repository/org.broad/tribble-122M.xml
similarity index 64%
rename from settings/repository/org.broad/tribble-121M.xml
rename to settings/repository/org.broad/tribble-122M.xml
index a9f018f41..3d74b4640 100644
--- a/settings/repository/org.broad/tribble-121M.xml
+++ b/settings/repository/org.broad/tribble-122M.xml
@@ -1,3 +1,3 @@
 <ivy-module version="1.0">
-    <info organisation="org.broad" module="tribble" revision="121M" status="integration" publication="201007191154200" />
+    <info organisation="org.broad" module="tribble" revision="122M" status="integration" publication="201007191854200" />
 </ivy-module>