diff --git a/tpde-encodegen/CMakeLists.txt b/tpde-encodegen/CMakeLists.txt
index 4f306a05..3a7762be 100644
--- a/tpde-encodegen/CMakeLists.txt
+++ b/tpde-encodegen/CMakeLists.txt
@@ -13,7 +13,8 @@ add_executable(tpde::tpde_encodegen ALIAS tpde_encodegen)
 set(TPDE_LINK_LLVM_STATIC FALSE CACHE BOOL "Should LLVM be linked statically?")
 
 target_include_directories(tpde_encodegen SYSTEM PRIVATE ${LLVM_INCLUDE_DIRS})
-target_compile_definitions(tpde_encodegen PRIVATE ${LLVM_DEFINITIONS})
+separate_arguments(LLVM_DEFINITIONS_LIST NATIVE_COMMAND ${LLVM_DEFINITIONS})
+target_compile_definitions(tpde_encodegen PRIVATE ${LLVM_DEFINITIONS_LIST})
 target_compile_options(tpde_encodegen PRIVATE "$<$<COMPILE_LANGUAGE:CXX>:-fno-rtti;-fno-exceptions>")
 if (TPDE_LINK_LLVM_STATIC)
     set(LLVM_COMPONENTS
diff --git a/tpde-llvm/CMakeLists.txt b/tpde-llvm/CMakeLists.txt
index c529a85f..e9157055 100644
--- a/tpde-llvm/CMakeLists.txt
+++ b/tpde-llvm/CMakeLists.txt
@@ -26,7 +26,8 @@ target_link_libraries(tpde_llvm PRIVATE tpde)
 set(TPDE_LINK_LLVM_STATIC FALSE CACHE BOOL "Should LLVM be linked statically?")
 
 target_include_directories(tpde_llvm SYSTEM PUBLIC ${LLVM_INCLUDE_DIRS})
-target_compile_definitions(tpde_llvm PUBLIC ${LLVM_DEFINITIONS})
+separate_arguments(LLVM_DEFINITIONS_LIST NATIVE_COMMAND ${LLVM_DEFINITIONS})
+target_compile_definitions(tpde_llvm PUBLIC ${LLVM_DEFINITIONS_LIST})
 if (NOT LLVM_ENABLE_RTTI)
     target_compile_options(tpde_llvm PUBLIC -fno-rtti)
 endif ()