diff --git a/java/src/org/broadinstitute/sting/analyzecovariates/AnalyzeCovariates.java b/java/src/org/broadinstitute/sting/analyzecovariates/AnalyzeCovariates.java
index fd2cef587..8166d0d45 100755
--- a/java/src/org/broadinstitute/sting/analyzecovariates/AnalyzeCovariates.java
+++ b/java/src/org/broadinstitute/sting/analyzecovariates/AnalyzeCovariates.java
@@ -5,6 +5,7 @@ import org.broadinstitute.sting.utils.PackageUtils;
 import org.broadinstitute.sting.utils.xReadLines;
 import org.broadinstitute.sting.utils.cmdLine.CommandLineProgram;
 import org.broadinstitute.sting.utils.cmdLine.Argument;
+import org.broadinstitute.sting.utils.NHashMap;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -280,4 +281,4 @@ public class AnalyzeCovariates {
         CommandLineProgram.start( clp, args );
         System.exit(0);
     }
-}
\ No newline at end of file
+}