diff --git a/common/comic.cpp b/common/comic.cpp
index 5a126701..514bc084 100644
--- a/common/comic.cpp
+++ b/common/comic.cpp
@@ -65,12 +65,16 @@ const QStringList ComicArchiveExtensions = QStringList() << "*.cbr"
                                                          << "*.rar"
                                                          << "*.zip"
                                                          << "*.tar"
+                                                         << "*.7z"
+                                                         << "*.cb7"
                                                          << "*.cbt";
 const QStringList LiteralComicArchiveExtensions = QStringList() << "cbr"
                                                                 << "cbz"
                                                                 << "rar"
                                                                 << "zip"
                                                                 << "tar"
+                                                                << "7z"
+                                                                << "cb7"
                                                                 << "cbt";
 #endif //use_unarr
 #ifndef NO_PDF
diff --git a/compressed_archive/unarr/compressed_archive.cpp b/compressed_archive/unarr/compressed_archive.cpp
index 053efbea..a31f00a2 100644
--- a/compressed_archive/unarr/compressed_archive.cpp
+++ b/compressed_archive/unarr/compressed_archive.cpp
@@ -22,7 +22,8 @@ CompressedArchive::CompressedArchive(const QString &filePath, QObject *parent)
     //open archive
     ar = ar_open_rar_archive(stream);
     //TODO: build unarr with 7z support and test this!
-    //if (!ar) ar = ar_open_7z_archive(stream);
+    if (!ar)
+        ar = ar_open_7z_archive(stream);
     if (!ar)
         ar = ar_open_tar_archive(stream);
     //zip detection is costly, so it comes last...