diff --git a/contrib/xz b/contrib/xz
index 8f02b1df..3a543f33 100644
--- a/contrib/xz
+++ b/contrib/xz
@@ -23,7 +23,7 @@ _xz()
     local xspec="*.@(xz|lzma|txz|tlz)"
 
     case $prev in
-        --decompress|--list|--test|!(-*)[dlt]*)
+        --decompress|--list|--test|-!(-*)[dlt]*)
             xspec="!"$xspec
             ;;
         --files|--files0)
diff --git a/test/fixtures/xz/a/b b/test/fixtures/xz/a/b
new file mode 100644
index 00000000..e69de29b
diff --git a/test/fixtures/xz/bashcomp.lzma b/test/fixtures/xz/bashcomp.lzma
new file mode 100644
index 00000000..e69de29b
diff --git a/test/fixtures/xz/bashcomp.tar b/test/fixtures/xz/bashcomp.tar
new file mode 100644
index 00000000..e69de29b
diff --git a/test/fixtures/xz/bashcomp.tar.xz b/test/fixtures/xz/bashcomp.tar.xz
new file mode 100644
index 00000000..b2274e64
Binary files /dev/null and b/test/fixtures/xz/bashcomp.tar.xz differ
diff --git a/test/fixtures/xz/bashcomp.tlz b/test/fixtures/xz/bashcomp.tlz
new file mode 100644
index 00000000..e69de29b
diff --git a/test/fixtures/xz/bashcomp.xz b/test/fixtures/xz/bashcomp.xz
new file mode 100644
index 00000000..e69de29b
diff --git a/test/lib/completions/xz.exp b/test/lib/completions/xz.exp
index 474ab24d..820b0689 100644
--- a/test/lib/completions/xz.exp
+++ b/test/lib/completions/xz.exp
@@ -17,4 +17,17 @@ assert_complete_any "xz "
 sync_after_int
 
 
+assert_complete "a/ bashcomp.lzma bashcomp.tar.xz bashcomp.tlz bashcomp.xz" \
+    "xz -d fixtures/xz/"
+
+
+sync_after_int
+
+
+assert_complete "a/ bashcomp.tar" "xz fixtures/xz/"
+
+
+sync_after_int
+
+
 teardown