diff --git a/cmake/autocoder/fpp.cmake b/cmake/autocoder/fpp.cmake
index 71044c929b..73343ec20a 100644
--- a/cmake/autocoder/fpp.cmake
+++ b/cmake/autocoder/fpp.cmake
@@ -196,7 +196,8 @@ function(fpp_setup_autocode AC_INPUT_FILES)
             list(APPEND GENERATED_CPP "${GENERATED}")
         endif()
     endforeach()
-    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/fpp-input-list" "${FPP_IMPORTS};${AC_INPUT_FILES}")
+    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/fpp-import-list" "${FPP_IMPORTS}")
+    file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/fpp-source-list" "${AC_INPUT_FILES}")
     # Add in steps for Ai.xml generation
     if (GENERATED_AI)
         add_custom_command(