diff --git a/macs2.wdl b/macs2.wdl
index d9fcd3eb1169ad6f16a339a94b4293b96833aabe..4f1e1be71eedbc1ac810866e6c6b94ab569f19e4 100644
--- a/macs2.wdl
+++ b/macs2.wdl
@@ -1,5 +1,7 @@
 version 1.0
 
+import "common.wdl"
+
 task PeakCalling {
     input {
         String? preCommand