diff --git a/public/java/src/org/broadinstitute/sting/analyzecovariates/AnalyzeCovariates.java b/public/java/src/org/broadinstitute/sting/analyzecovariates/AnalyzeCovariates.java
index 548678ddb..98f2a9b5c 100755
--- a/public/java/src/org/broadinstitute/sting/analyzecovariates/AnalyzeCovariates.java
+++ b/public/java/src/org/broadinstitute/sting/analyzecovariates/AnalyzeCovariates.java
@@ -26,6 +26,7 @@
 package org.broadinstitute.sting.analyzecovariates;
 
 import org.broadinstitute.sting.commandline.Argument;
+import org.broadinstitute.sting.commandline.Hidden;
 import org.broadinstitute.sting.commandline.CommandLineProgram;
 import org.broadinstitute.sting.commandline.Input;
 import org.broadinstitute.sting.gatk.walkers.recalibration.Covariate;