diff --git a/targets/arduino.json b/targets/arduino.json
index 419c6312..be7c5260 100644
--- a/targets/arduino.json
+++ b/targets/arduino.json
@@ -6,6 +6,7 @@
 		"-nostartfiles",
 		"-mmcu=avr5",
 		"-Wl,--defsym=_bootloader_size=512",
+		"-Wl,--defsym=_stack_size=512",
 		"-T", "src/device/avr/atmega328p.ld",
 		"-T", "targets/avr.ld",
 		"-Wl,--gc-sections",
diff --git a/targets/avr.ld b/targets/avr.ld
index 5c6ddeef..34c881f9 100644
--- a/targets/avr.ld
+++ b/targets/avr.ld
@@ -5,8 +5,6 @@ MEMORY
     RAM (xrw)       : ORIGIN = 0, LENGTH = __ram_size
 }
 
-_stack_size = 512;
-
 SECTIONS
 {
     .text :