diff --git a/cmake/Macros.cmake b/cmake/Macros.cmake
index 2e781b93feb..6f6d2978e6c 100644
--- a/cmake/Macros.cmake
+++ b/cmake/Macros.cmake
@@ -62,7 +62,9 @@ endfunction()
 function(GenerateDatacopy source output)
 
   set(GEN_DATACOPY ${RADIO_DIRECTORY}/util/generate_datacopy.py)
-  set(GEN_DATACOPY_DEPEND ${CMAKE_CURRENT_SOURCE_DIR}/${source} ${GEN_DATACOPY})
+  set(GEN_DATACOPY_DEPEND
+    ${CMAKE_CURRENT_SOURCE_DIR}/${source} ${GEN_DATACOPY}
+    ${CMAKE_CURRENT_BINARY_DIR}/hal_settings.h)
 
   # Fetch defines / include directories in use
   AddCompilerFlags(GEN_DATACOPY_ARGS)
diff --git a/radio/src/CMakeLists.txt b/radio/src/CMakeLists.txt
index 6f653990a8c..a11e293002e 100644
--- a/radio/src/CMakeLists.txt
+++ b/radio/src/CMakeLists.txt
@@ -223,7 +223,7 @@ if(STORAGE_MODELSLIST)
   add_definitions(-DSTORAGE_MODELSLIST)
 endif()
 
-if(RTC_BACKUP_RAM)
+if(RTC_BACKUP_RAM AND NOT WASI)
   add_definitions(-DRTC_BACKUP_RAM)
 
   GenerateDataCopy(datastructs_private.h datacopy.inc)