diff --git a/bare-arm/Makefile b/bare-arm/Makefile
index ed8c00482b2cc71f0039db1a00e03d050032ed29..eeaaf423d0f4be703946be48b94298b7174ed92f 100644
--- a/bare-arm/Makefile
+++ b/bare-arm/Makefile
@@ -22,7 +22,7 @@ else
 CFLAGS += -Os -DNDEBUG
 endif
 
-LDFLAGS = -nostdlib -T stm32f405.ld
+LDFLAGS = -nostdlib -T stm32f405.ld -Map=$@.map --cref
 LIBS =
 
 SRC_C = \