diff --git a/Control/PerformanceMonitoring/PerfMonComps/CMakeLists.txt b/Control/PerformanceMonitoring/PerfMonComps/CMakeLists.txt
index c553528b686e5a1f1564dbc26be0474fb6468932..7ad7a696c0a6ce53e876819302ff040e0e592d0f 100644
--- a/Control/PerformanceMonitoring/PerfMonComps/CMakeLists.txt
+++ b/Control/PerformanceMonitoring/PerfMonComps/CMakeLists.txt
@@ -7,7 +7,7 @@ atlas_subdir( PerfMonComps )
 find_package( AIDA )
 find_package( Boost )
 find_package( Python COMPONENTS Development )
-find_package( ROOT COMPONENTS Core PyROOT )
+find_package( ROOT COMPONENTS Core PyROOT cppyy3_7 )
 find_package( nlohmann_json )
 find_package( psutil )