diff --git a/ark/kerfuffle/archiveinterface.cpp b/ark/kerfuffle/archiveinterface.cpp
index 540d1121..41b1fad8 100644
--- a/ark/kerfuffle/archiveinterface.cpp
+++ b/ark/kerfuffle/archiveinterface.cpp
@@ -168,10 +168,10 @@ bool ReadWriteArchiveInterface::isReadOnly() const
 {
     QFileInfo fileInfo(filename());
     if (fileInfo.exists()) {
-        return ! fileInfo.isWritable();
-    } else {
-        return !fileInfo.dir().exists(); // TODO: Should also check if we can create a file in that directory
+        return !fileInfo.isWritable();
     }
+    // TODO: Should also check if we can create a file in that directory
+    return !fileInfo.dir().exists();
 }
 
 } // namespace Kerfuffle
diff --git a/ark/plugins/libarchive/libarchivehandler.cpp b/ark/plugins/libarchive/libarchivehandler.cpp
index 0d1849ec..1283aeb0 100644
--- a/ark/plugins/libarchive/libarchivehandler.cpp
+++ b/ark/plugins/libarchive/libarchivehandler.cpp
@@ -236,6 +236,12 @@ bool LibArchiveInterface::deleteFiles(const QVariantList &files)
     return true;
 }
 
+bool LibArchiveInterface::isReadOnly() const
+{
+    KArchive karchive(filename());
+    return !karchive.isWritable();
+}
+
 void LibArchiveInterface::emitProgress(const qreal value)
 {
     emit progress(value);
diff --git a/ark/plugins/libarchive/libarchivehandler.h b/ark/plugins/libarchive/libarchivehandler.h
index 04144935..afc5a8bb 100644
--- a/ark/plugins/libarchive/libarchivehandler.h
+++ b/ark/plugins/libarchive/libarchivehandler.h
@@ -45,6 +45,8 @@ public:
     bool addFiles(const QStringList& files, const CompressionOptions &options) final;
     bool deleteFiles(const QVariantList& files) final;
 
+    bool isReadOnly() const final;
+
 private Q_SLOTS:
     void emitProgress(const qreal value);
 };