diff --git a/picard.wdl b/picard.wdl
index 7c360ba2f185801062c7a104284933eca0fdfdf3..444af3bafb2f1dfa19518065c4532f2a633d45bb 100644
--- a/picard.wdl
+++ b/picard.wdl
@@ -159,7 +159,7 @@ task CollectTargetedPcrMetrics {
     output {
         File perTargetCoverage = basename + ".targetPcrPerTargetCoverage"
         File perBaseCoverage = basename + ".targetPcrPerBaseCoverage"
-        File metrics = basename + "targetPcrMetrics"
+        File metrics = basename + ".targetPcrMetrics"
     }
 
     runtime {