diff --git a/toolchain.inc b/toolchain.inc
index da056cf8d3..cae389cd72 100644
--- a/toolchain.inc
+++ b/toolchain.inc
@@ -60,6 +60,7 @@ define create_class_compiler
 CC_$(1) := $(CC_$(2))
 LD_$(1) := $(LD_$(2))
 NM_$(1) := $(NM_$(2))
+AR_$(1) := $(AR_$(2))
 OBJCOPY_$(1) := $(OBJCOPY_$(2))
 OBJDUMP_$(1) := $(OBJDUMP_$(2))
 STRIP_$(1) := $(STRIP_$(2))