diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 6302a9cb..73a8dc65 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -126,11 +126,11 @@ if(${projectPrefix}BUILD_CXX_MODULES)
         if(CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 18)
             target_compile_options(mp-units-core PUBLIC "-Wno-include-angled-in-module-purview")
         endif()
+    endif()
 
-        if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
-            # '#include <filename>' in the purview of module 'module-name-1' appears erroneous
-            target_compile_options(mp-units-core PUBLIC "/wd5244")
-        endif()
+    if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+        # '#include <filename>' in the purview of module 'module-name-1' appears erroneous
+        target_compile_options(mp-units-core PUBLIC "/wd5244")
     endif()
 endif()