diff --git a/ini/avr.ini b/ini/avr.ini
index 944646190..1b208400a 100644
--- a/ini/avr.ini
+++ b/ini/avr.ini
@@ -13,6 +13,7 @@
 # AVR (8-bit) Common Environment values
 #
 [common_avr8]
+build_flags       = ${common.build_flags} -Wl,--relax
 board_build.f_cpu = 16000000L
 src_filter        = ${common.default_src_filter} +<src/HAL/AVR>