diff --git a/cmake/Modules/ExternalDependencies.cmake b/cmake/Modules/ExternalDependencies.cmake
index 9f28593..78b3990 100644
--- a/cmake/Modules/ExternalDependencies.cmake
+++ b/cmake/Modules/ExternalDependencies.cmake
@@ -1,16 +1,20 @@
 
 set(HEPMC2_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../external/HepMC" CACHE STRING "Location of HepMC 2 installation")
-set(PYTHIA8_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../external/pythia$ENV{PYTHIAVER}" CACHE STRING "Location of Pythia8 installation")
+if(DEFINED ENV{PYTHIAVER})
+    set(PYTHIA8_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../external/pythia$ENV{PYTHIAVER}" CACHE STRING "Location of Pythia8 installation")
+else()
+    set(PYTHIA8_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../external/pythia8230" CACHE STRING "Location of Pythia8 installation")
+endif()
 set(PHOTOSPP_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../external/PHOTOS" CACHE STRING "Location of Photos++ installation")
 set(TAUOLAPP_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/../external/TAUOLA" CACHE STRING "Location of Tauola++ installation")
 
 find_package(HepMC2 REQUIRED)
 if(${EVTGEN_PYTHIA})
     find_package(Pythia8 REQUIRED)
 endif()
 if(${EVTGEN_PHOTOS})
     find_package(Photos++ REQUIRED)
 endif()
 if(${EVTGEN_TAUOLA})
     find_package(Tauola++ REQUIRED)
 endif()