diff --git a/test/api/Makefile.am b/test/api/Makefile.am
index 3a4eacaec..99849fc99 100644
--- a/test/api/Makefile.am
+++ b/test/api/Makefile.am
@@ -29,7 +29,7 @@ TEST_PROGS = \
 	test-object \
 	test-set \
 	test-shape \
-        test-subset \
+	test-subset \
 	test-unicode \
 	test-version \
 	$(NULL)