diff --git a/modules/pythia8/CMakeLists.txt b/modules/pythia8/CMakeLists.txt
index 1a9ae0261680465794b762888acfa32c11bc8e32..91433eb8ddcaec6a042eab83864a5763833ac046 100644
--- a/modules/pythia8/CMakeLists.txt
+++ b/modules/pythia8/CMakeLists.txt
@@ -60,7 +60,7 @@ else ()
     URL_MD5 d3e951a2f101e8cfec26405cb61db83b
     SOURCE_DIR "${CMAKE_CURRENT_BINARY_DIR}/pythia8/source"
     INSTALL_DIR "${CMAKE_CURRENT_BINARY_DIR}/pythia8/install"
-    CONFIGURE_COMMAND ./configure --cxx-common=\\"${CMAKE_CXX_FLAGS} -O2 -fPIC\\" --prefix=${CMAKE_CURRENT_BINARY_DIR}/pythia8/install
+    CONFIGURE_COMMAND ./configure --prefix=${CMAKE_CURRENT_BINARY_DIR}/pythia8/install
     INSTALL_COMMAND make install
     COMMAND rm -rf ${CMAKE_CURRENT_BINARY_DIR}/pythia8/install/bin
     COMMAND rm -rf ${CMAKE_CURRENT_BINARY_DIR}/pythia8/install/share/Pythia8/examples