diff --git a/lib/Makefile.am b/lib/Makefile.am
index 5751a2c..ee919b4 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -81,12 +81,12 @@
 # All of the libs that don't use Automake need to go in here
 # so they will end up in our release tarballs.
 EXTRA_DIST = \
-	as3 \
-	cocoa \
-	d \
-	delphi \
-	javame \
-	js \
-	ocaml \
-	st \
-	ts
+    as3 \
+    cocoa \
+    d \
+    delphi \
+    javame \
+    js \
+    ocaml \
+    st \
+    ts