diff --git a/dom/tests/mochitest/Makefile.in b/dom/tests/mochitest/Makefile.in
index a57ffefbfae..2a34839a2ad 100644
--- a/dom/tests/mochitest/Makefile.in
+++ b/dom/tests/mochitest/Makefile.in
@@ -35,20 +35,19 @@
 #
 # ***** END LICENSE BLOCK *****
 
-DEPTH		= ../../..
+DEPTH	= ../../..
 topsrcdir	= @top_srcdir@
-srcdir		= @srcdir@
-VPATH		= @srcdir@
+srcdir	= @srcdir@
+VPATH	= @srcdir@
 
 include $(DEPTH)/config/autoconf.mk
 
-
-DIRS		+= dom-level1-core \
-		dom-level2-core \
-		ajax \
-		bugs \
-		chrome \
-		$(NULL)
+DIRS	+= dom-level1-core \
+	dom-level2-core \
+	ajax \
+	bugs \
+	chrome \
+	$(NULL)
 
 include $(topsrcdir)/config/rules.mk