diff --git a/Makefile b/Makefile
index 2c107713e4..8d22979feb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,12 +1,11 @@
 TARGET?=
 
 CARGO?=cargo
-CARGOFLAGS?=
 
 BUILD=target
 ifneq ($(TARGET),)
 	BUILD="target/$(TARGET)"
-	CARGOFLAGS+="--target=$(TARGET)"
+	CARGOFLAGS?="--target=$(TARGET)"
 endif
 
 ifeq ($(TARGET),aarch64-unknown-linux-gnu)