diff --git a/FastSimDataFormats/CTPPSFastSim/BuildFile.xml b/FastSimDataFormats/CTPPSFastSim/BuildFile.xml
index 8e2acb6eb8653..f0fec6c09fb2d 100644
--- a/FastSimDataFormats/CTPPSFastSim/BuildFile.xml
+++ b/FastSimDataFormats/CTPPSFastSim/BuildFile.xml
@@ -1,6 +1,7 @@
 <use name="DataFormats/Common"/>
 <use name="DataFormats/GeometryVector"/>
 <use name="DataFormats/Math"/>
+<use name="DataFormats/DetId"/>
 <use name="root"/>
 <export>
   <lib name="1"/>