diff --git a/gridss.wdl b/gridss.wdl
index 6c8899e4f27791e4e2a77a75681b85c12d8311bd..f9a92f563cc0a78bb38b219f7b7ed716f2934ce1 100644
--- a/gridss.wdl
+++ b/gridss.wdl
@@ -167,7 +167,7 @@ task GridssAnnotateVcfRepeatmasker {
     }
 
     command {
-        gridss_annotate_vcf_repeatmasker
+        gridss_annotate_vcf_repeatmasker \
         --output ~{outputPath} \
         --jar /usr/local/share/gridss-2.12.0-1/gridss.jar \
         -w . \