diff --git a/tests/Makefile.am b/tests/Makefile.am
index dbfb5e3cda97ea579f1c82b95100787bbf0379db..a1bd1e9326f1a0afada6d12b5cd8aa27f514191a 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -100,7 +100,7 @@ MODFILES = \
 	kalman_filter_smoother/fs2000.mod \
 	kalman_filter_smoother/fs2000_1.mod \
 	kalman_filter_smoother/fs2000_2.mod \
-	kalman_filter_smoother/fs2000a.mod 
+	kalman_filter_smoother/fs2000a.mod
 
 EXTRA_DIST = \
 	$(MODFILES) \