diff --git a/modules/CMakeLists.txt b/modules/CMakeLists.txt
index 9214617..bf1f7b2 100644
--- a/modules/CMakeLists.txt
+++ b/modules/CMakeLists.txt
@@ -1,11 +1,14 @@
-# Allow exceptions by removing restricting flag.
 if ( ROSA_COMPILER_IS_GCC_COMPATIBLE )
+
+  # Allow exceptions by removing restricting flag (needed by cxxopts)
   remove("-fno-exceptions" CMAKE_CXX_FLAGS)
+
+  # Allow dynamic casts by removing restriction flag (needed by cxxopts)
   remove("-fno-rtti" CMAKE_CXX_FLAGS)
 endif()
 
 execute_process(COMMAND git submodule update --init -- cxxopts
   WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
 
 # Add the different subdirectories
 ADDALLSUBDIRS()