--- a/src/loader/CMakeLists.txt
+++ a/src/loader/CMakeLists.txt
@@ -203,14 +203,14 @@
     target_sources(
         openxr_loader PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/loader.rc"
     )
+    if(DYNAMIC_LOADER)
+         target_sources(
+              openxr_loader
+              PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/openxr-loader.def"
+              )
+    endif()
 
     if(MSVC)
-        if(DYNAMIC_LOADER)
-            target_sources(
-                openxr_loader
-                PRIVATE "${CMAKE_CURRENT_SOURCE_DIR}/openxr-loader.def"
-            )
-        endif()
 
         if(DYNAMIC_LOADER AND NOT (CMAKE_SYSTEM_NAME STREQUAL "WindowsStore"))
             # If building DLLs, force static CRT linkage