diff --git a/tools/opt/Makefile b/tools/opt/Makefile
index ba23dabdb9a..4c38c76dfec 100644
--- a/tools/opt/Makefile
+++ b/tools/opt/Makefile
@@ -2,7 +2,7 @@ LEVEL = ../..
 TOOLNAME = opt
 
 USEDLIBS = bcreader bcwriter \
-	   instrument profpaths scalaropts \
+           instrument profpaths scalaropts \
            ipo ipa.a datastructure transforms target.a analysis \
            transformutils vmcore support