diff --git a/patoolib/__init__.py b/patoolib/__init__.py
index 8eb9410..798be3c 100644
--- a/patoolib/__init__.py
+++ b/patoolib/__init__.py
@@ -224,9 +224,9 @@ ArchivePrograms = {
         None: ('lzop',),
     },
     'lzma': {
-        'extract': ('lzma',) + py_lzma,
-        'list': ('py_echo',),
-        'test': ('lzma',),
+        'extract': ('7z', 'lzma') + py_lzma,
+        'list': ('7z', 'py_echo'),
+        'test': ('7z', 'lzma'),
         'create': ('lzma',) + py_lzma,
     },
     'rzip': {
diff --git a/patoolib/programs/p7zip.py b/patoolib/programs/p7zip.py
index d087344..99a4b1a 100644
--- a/patoolib/programs/p7zip.py
+++ b/patoolib/programs/p7zip.py
@@ -31,6 +31,7 @@ extract_bzip2 = \
   extract_deb = \
   extract_iso = \
   extract_xz = \
+  extract_lzma = \
   extract_7z
 
 def list_7z (archive, compression, cmd, verbosity):
@@ -49,6 +50,7 @@ list_bzip2 = \
   list_deb = \
   list_iso = \
   list_xz = \
+  list_lzma = \
   list_7z
 
 
@@ -68,6 +70,7 @@ test_bzip2 = \
   test_deb = \
   test_iso = \
   test_xz = \
+  test_lzma = \
   test_7z
 
 
diff --git a/tests/archives/test_7z.py b/tests/archives/test_7z.py
index e42c9eb..ff13c52 100644
--- a/tests/archives/test_7z.py
+++ b/tests/archives/test_7z.py
@@ -27,6 +27,7 @@ class Test7z (ArchiveTest):
         self.archive_commands('t.txt.xz', check=Content.Singlefile)
         self.archive_list('t.txt.gz')
         self.archive_list('t.txt.bz2')
+        self.archive_list('t.txt.lzma')
         self.archive_list('t.jar')
         self.archive_list('t.txt.Z')
         self.archive_list('t.cab')
@@ -37,6 +38,7 @@ class Test7z (ArchiveTest):
         self.archive_list('t.iso')
         self.archive_extract('t.txt.gz', check=Content.Singlefile)
         self.archive_extract('t.txt.bz2', check=Content.Singlefile)
+        self.archive_extract('t.txt.lzma', check=Content.Singlefile)
         self.archive_extract('t.jar', check=None)
         self.archive_extract('t.txt.Z', check=Content.Singlefile)
         self.archive_extract('t.cab')
@@ -47,6 +49,7 @@ class Test7z (ArchiveTest):
         self.archive_extract('t.iso')
         self.archive_test('t.txt.gz')
         self.archive_test('t.txt.bz2')
+        self.archive_test('t.txt.lzma')
         self.archive_test('t.jar')
         self.archive_test('t.txt.Z')
         self.archive_test('t.cab')