diff --git a/python/snpSelector.py b/python/snpSelector.py
index 16f230e04..e01725e3e 100755
--- a/python/snpSelector.py
+++ b/python/snpSelector.py
@@ -615,6 +615,12 @@ def main():
     fields = OPTIONS.fields.split(',')
 
     truthVCF = None
+    #print("LENGTH OF ARGS "+str(len(args)))
+
+    if OPTIONS.truth <> None:
+        truthVCF = OPTIONS.truth
+        readTruth(truthVCF)
+
     if len(args) > 1:
         truthVCF = args[1]
         TRUTH_CALLS = readTruth(truthVCF)
@@ -654,4 +660,4 @@ if __name__ == "__main__":
         p.sort_stats('time').print_stats(10)
         p.sort_stats('time', 'cum').print_stats(.5, 'init')
     else:
-        main()
\ No newline at end of file
+        main()