diff --git a/chipset-cc256x/convert_bts_init_scripts.py b/chipset-cc256x/convert_bts_init_scripts.py
index 9259a51a9..9b43cdef7 100755
--- a/chipset-cc256x/convert_bts_init_scripts.py
+++ b/chipset-cc256x/convert_bts_init_scripts.py
@@ -21,6 +21,9 @@ fartext = '''
 #if defined(__GNUC__) && (__MSP430X__ > 0)
 __attribute__((section (".fartext")))
 #endif
+#ifdef __AVR__
+__attribute__((__progmem__))
+#endif
 '''
 
 data_indent = '    '
diff --git a/chipset-cc256x/create_cc256x_init_scripts.py b/chipset-cc256x/create_cc256x_init_scripts.py
index 1524801b4..b9eac3928 100755
--- a/chipset-cc256x/create_cc256x_init_scripts.py
+++ b/chipset-cc256x/create_cc256x_init_scripts.py
@@ -24,6 +24,9 @@ def extract_script(fin, patch_name, chipset, array_name):
 #if defined(__GNUC__) && (__MSP430X__ > 0)
 __attribute__((section (".fartext")))
 #endif
+#ifdef __AVR__
+__attribute__((__progmem__))
+#endif
 '''
 
     filename = '{0}_init_script.c'.format(chipset)