diff --git a/tools/llvm-as/Makefile b/tools/llvm-as/Makefile
index aa64d066674..ce2ab9438a5 100644
--- a/tools/llvm-as/Makefile
+++ b/tools/llvm-as/Makefile
@@ -9,7 +9,7 @@
 
 LEVEL = ../..
 TOOLNAME = llvm-as
-LINK_COMPONENTS := asmparser bcwriter
+LINK_COMPONENTS := asmparser bcwriter bitwriter
 REQUIRES_EH := 1
 
 include $(LEVEL)/Makefile.common