diff --git a/Generators/PMGSystematicsTools/CMakeLists.txt b/Generators/PMGSystematicsTools/CMakeLists.txt
index 5248695da80e7aa9feb518d50ecc696b0a32596f..7f5302026c630944b420c89e7d7394962a08177b 100644
--- a/Generators/PMGSystematicsTools/CMakeLists.txt
+++ b/Generators/PMGSystematicsTools/CMakeLists.txt
@@ -6,7 +6,7 @@
 atlas_subdir( PMGSystematicsTools )
 
 # External dependencies:
-find_package( PythonLibs )
+find_package( Python COMPONENTS Interpreter )
 find_package( ROOT COMPONENTS Core PyROOT Tree MathCore Hist RIO pthread )
 find_package( Rivet )
 find_package( YODA )