diff --git a/build/autoconf/lustre-build.m4 b/build/autoconf/lustre-build.m4
index a21f1088919e915134a1032d0acb850149b65818..2b3ffe9168102a5d8faef5da3c23ecd37fddf882 100644
--- a/build/autoconf/lustre-build.m4
+++ b/build/autoconf/lustre-build.m4
@@ -263,10 +263,14 @@ AC_DEFUN([LB_CONFIG_TESTS],
 AC_ARG_ENABLE([tests],
 	AC_HELP_STRING([--disable-tests],
 			[disable building of Lustre tests]),
-	[],[enable_tests='yes'])
-if test x$cray_portals = xyes ; then
-	enable_tests='no'
-fi
+	[],
+	[
+		if test x$cray_portals = xyes ; then
+			enable_tests='no'
+		else
+			enable_tests='yes'
+		fi
+	])
 AC_MSG_RESULT([$enable_tests])
 ])