diff --git a/tests/Makefile.am b/tests/Makefile.am
index 1c7717166..90ebdc319 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -358,14 +358,14 @@ MODFILES = \
 	var-expectations/3/example.mod \
 	var-expectations/4/example.mod \
 	var-expectations/5/example.mod \
-    trend-component-and-var-models/vm1.mod \
-    trend-component-and-var-models/vm2.mod \
-    trend-component-and-var-models/vm3.mod \
-    trend-component-and-var-models/tcm1.mod \
-    trend-component-and-var-models/tcm2.mod \
-    trend-component-and-var-models/tcm3.mod \
-    trend-component-and-var-models/tcm4.mod \
-    trend-component-and-var-models/tcm5.mod \
+	trend-component-and-var-models/vm1.mod \
+	trend-component-and-var-models/vm2.mod \
+	trend-component-and-var-models/vm3.mod \
+	trend-component-and-var-models/tcm1.mod \
+	trend-component-and-var-models/tcm2.mod \
+	trend-component-and-var-models/tcm3.mod \
+	trend-component-and-var-models/tcm4.mod \
+	trend-component-and-var-models/tcm5.mod \
 	trend-component-and-var-models/tcm6.mod \
 	pac/var-1/example.mod \
 	pac/var-2/example.mod \