diff --git a/include/gba/defines.h b/include/gba/defines.h
index 0bf7110810..2a68042421 100644
--- a/include/gba/defines.h
+++ b/include/gba/defines.h
@@ -12,6 +12,7 @@
 #define EWRAM_INIT __attribute__((section(".ewram")))
 #define COMMON_DATA __attribute__((section("common_data")))
 #define UNUSED __attribute__((unused))
+#define USED __attribute__((used))
 
 #define ARM_FUNC __attribute__((target("arm")))
 
diff --git a/src/agb_flash_1m.c b/src/agb_flash_1m.c
index 6fc4f3d600..037f7a964d 100644
--- a/src/agb_flash_1m.c
+++ b/src/agb_flash_1m.c
@@ -1,7 +1,7 @@
 #include "gba/gba.h"
 #include "gba/flash_internal.h"
 
-static const char AgbLibFlashVersion[] = "FLASH1M_V103";
+USED static const char AgbLibFlashVersion[] = "FLASH1M_V103";
 
 static const struct FlashSetupInfo * const sSetupInfos[] =
 {