diff --git a/ccs.wdl b/ccs.wdl
index 2ae54cb74de81d412b9649646b39ce557069b0b0..39bb0a19578e353a596c471e7490556de89896a9 100644
--- a/ccs.wdl
+++ b/ccs.wdl
@@ -49,7 +49,7 @@ task CCS {
         --num-threads ~{cores} \
         ~{"--report-file " + outputPrefix + ".ccs.report.txt"} \
         ~{"--log-file " + outputPrefix + ".ccs.stderr.log"} \
-        ~{subreadsFile}
+        ~{subreadsFile} \
         ~{outputPrefix + ".ccs.bam"}
     }