diff --git a/tests/test_cmd_signature.py b/tests/test_cmd_signature.py
index 8779c02c71..a8014058b5 100644
--- a/tests/test_cmd_signature.py
+++ b/tests/test_cmd_signature.py
@@ -740,6 +740,30 @@ def test_sig_cat_2_out_inplace(c):
     assert repr(siglist) == """[SourmashSignature('NC_009665.1 Shewanella baltica OS185, complete genome', 09a08691), SourmashSignature('NC_009665.1 Shewanella baltica OS185, complete genome', 09a08691), SourmashSignature('NC_009665.1 Shewanella baltica OS185, complete genome', 57e2b22f), SourmashSignature('NC_009661.1 Shewanella baltica OS185 plasmid pS18501, complete sequence', bde81a41), SourmashSignature('NC_011663.1 Shewanella baltica OS223, complete genome', f033bbd8), SourmashSignature('NC_011664.1 Shewanella baltica OS223 plasmid pS22301, complete sequence', 87a9aec4), SourmashSignature('NC_011668.1 Shewanella baltica OS223 plasmid pS22302, complete sequence', 837bf2a7), SourmashSignature('NC_011665.1 Shewanella baltica OS223 plasmid pS22303, complete sequence', 485c3377)]"""
 
 
+@utils.in_tempdir
+def test_sig_cat_filelist(c):
+    # cat using a file list as input
+    sig47 = utils.get_test_data('47.fa.sig')
+    sig47abund = utils.get_test_data('track_abund/47.fa.sig')
+    multisig = utils.get_test_data('47+63-multisig.sig')
+
+    filelist = c.output("filelist")
+    with open(filelist, 'w') as f:
+        f.write("\n".join((sig47, sig47abund, multisig)))
+
+    c.run_sourmash('sig', 'cat', filelist,
+                   '-o', 'out.sig')
+
+    # stdout should be same signatures
+    out = c.output('out.sig')
+
+    siglist = list(sourmash.load_signatures(out))
+    print(len(siglist))
+
+    assert repr(siglist) == """[SourmashSignature('NC_009665.1 Shewanella baltica OS185, complete genome', 09a08691), SourmashSignature('NC_009665.1 Shewanella baltica OS185, complete genome', 09a08691), SourmashSignature('NC_009665.1 Shewanella baltica OS185, complete genome', 57e2b22f), SourmashSignature('NC_009661.1 Shewanella baltica OS185 plasmid pS18501, complete sequence', bde81a41), SourmashSignature('NC_011663.1 Shewanella baltica OS223, complete genome', f033bbd8), SourmashSignature('NC_011664.1 Shewanella baltica OS223 plasmid pS22301, complete sequence', 87a9aec4), SourmashSignature('NC_011668.1 Shewanella baltica OS223 plasmid pS22302, complete sequence', 837bf2a7), SourmashSignature('NC_011665.1 Shewanella baltica OS223 plasmid pS22303, complete sequence', 485c3377)]"""
+
+
+
 @utils.in_tempdir
 def test_sig_split_1(c):
     # split 47 into 1 sig :)