# include <avr/pgmspace.h>
#else
# define PROGMEM
-# define pgm_read_byte(p) *((unsigned char*)p)
-# define pgm_read_word(p) *((uint16_t*)p)
+# define pgm_read_byte(p) *((unsigned char*)(p))
+# define pgm_read_word(p) *((uint16_t*)(p))
+# define pgm_read_dword(p) *((uint32_t*)(p))
#endif
#endif