diff --git a/Processes/Pythia/CMakeLists.txt b/Processes/Pythia/CMakeLists.txt
index 3af574c892dd423cdef3b7f018265c9f6f3912af..3947423dea8edfbbefb47f059ff47baa0730a09b 100644
--- a/Processes/Pythia/CMakeLists.txt
+++ b/Processes/Pythia/CMakeLists.txt
@@ -27,7 +27,7 @@ set_target_properties (
   PROPERTIES
   VERSION ${PROJECT_VERSION}
   SOVERSION 1
-  PUBLIC_HEADER "${MODEL_HEADERS}"
+#  PUBLIC_HEADER "${MODEL_HEADERS}"
   )
 
 # target dependencies on other libraries (also the header onlys)