diff --git a/tools/llc/Makefile b/tools/llc/Makefile
index d516e9fc37a..66dc4dc6c5d 100644
--- a/tools/llc/Makefile
+++ b/tools/llc/Makefile
@@ -1,6 +1,6 @@
 LEVEL = ../..
 TOOLNAME = llc
-USEDLIBS = sparc regalloc sched select target \
+USEDLIBS = mapping sparc regalloc sched select target \
            instrument.a livevar bcreader bcwriter analysis.a transforms.a \
 	   ipo.a scalaropts.a transformutils.a vmcore support.a