diff --git a/nc_test/Makefile.am b/nc_test/Makefile.am
index 7309daf9a..1f711dd14 100644
--- a/nc_test/Makefile.am
+++ b/nc_test/Makefile.am
@@ -12,7 +12,7 @@ CLEANFILES = nc_test_classic.nc nc_test_64bit.nc nc_test_netcdf4.nc	\
 tst_*.nc t_nc.nc large_files.nc quick_large_files.nc \
 tst_diskless.nc tst_diskless2.nc \
 tst_diskless3.nc tst_diskless3_file.cdl tst_diskless3_memory.cdl \
-tst_diskless4.cdl tst_diskless4.nc tst_formatx.nc unlim.nc ncx.c \
+tst_diskless4.cdl tst_diskless4.nc tst_formatx.nc unlim.nc ncx.c
 
 # These are the tests which are always run.
 TESTPROGRAMS = t_nc tst_small nc_test tst_misc tst_norm \