diff --git a/firmware/bootloader/openblt_chibios/openblt_flash.cpp b/firmware/bootloader/openblt_chibios/openblt_flash.cpp
index b639a7162b..beae9db1bf 100644
--- a/firmware/bootloader/openblt_chibios/openblt_flash.cpp
+++ b/firmware/bootloader/openblt_chibios/openblt_flash.cpp
@@ -31,7 +31,7 @@ blt_bool FlashErase(blt_addr addr, blt_int32u len) {
 	return BLT_TRUE;
 }
 
-blt_bool FlashDone(void) {
+blt_bool FlashDone() {
 	return BLT_TRUE;
 }