diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1519ef355..5d883cb57 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -43,8 +43,10 @@ mark_as_advanced(FORCE_COLOR)
 option(STORM_COMPILE_WITH_CCACHE "Compile using CCache [if found]" ON)
 mark_as_advanced(STORM_COMPILE_WITH_CCACHE)
 option(STORM_LOG_DISABLE_DEBUG "Disable log and trace message support" OFF)
-option(STORM_USE_CLN_EA "Sets whether CLN or GMP numbers should be used for exact arithmetic." OFF)
-option(STORM_USE_CLN_RF "Sets whether CLN or GMP numbers should be used for rational functions." ON)
+option(STORM_USE_CLN_EA "Sets whether CLN instead of GMP numbers should be used for exact arithmetic." OFF)
+export_option(STORM_USE_CLN_EA)
+option(STORM_USE_CLN_RF "Sets whether CLN instead of GMP numbers should be used for rational functions." ON)
+export_option(STORM_USE_CLN_RF)
 option(BUILD_SHARED_LIBS "Build the Storm library dynamically" OFF)
 set(BOOST_ROOT "" CACHE STRING "A hint to the root directory of Boost (optional).")
 set(GUROBI_ROOT "" CACHE STRING "A hint to the root directory of Gurobi (optional).")