diff --git a/InnerDetector/InDetRecTools/SiClusterizationTool/CMakeLists.txt b/InnerDetector/InDetRecTools/SiClusterizationTool/CMakeLists.txt
index 8f2ad316714b4248e5ed7b1dd3a3462082b4f62a..99e0766f13cc21d27cb3c0a4a20cc5536fbfe3cb 100644
--- a/InnerDetector/InDetRecTools/SiClusterizationTool/CMakeLists.txt
+++ b/InnerDetector/InDetRecTools/SiClusterizationTool/CMakeLists.txt
@@ -9,6 +9,7 @@ find_package( Eigen )
 find_package( CLHEP )
 find_package( ROOT COMPONENTS Core MathCore Hist )
 find_package( COOL COMPONENTS CoolKernel CoolApplication )
+find_package( Boost )
 
 # Component(s) in the package:
 atlas_add_library( SiClusterizationToolLib