diff --git a/kerfuffle/cliinterface.h b/kerfuffle/cliinterface.h
--- a/kerfuffle/cliinterface.h
+++ b/kerfuffle/cliinterface.h
@@ -71,6 +71,7 @@
     virtual void resetParsing() = 0;
     virtual bool readListLine(const QString &line) = 0;
     virtual bool readExtractLine(const QString &line) = 0;
+    virtual bool readDeleteLine(const QString &line);
     bool doKill() Q_DECL_OVERRIDE;
     bool doSuspend() Q_DECL_OVERRIDE;
     bool doResume() Q_DECL_OVERRIDE;
diff --git a/kerfuffle/cliinterface.cpp b/kerfuffle/cliinterface.cpp
--- a/kerfuffle/cliinterface.cpp
+++ b/kerfuffle/cliinterface.cpp
@@ -917,6 +917,10 @@
         return readListLine(line);
     }
 
+    if (m_operationMode == Delete) {
+        return readDeleteLine(line);
+    }
+
     if (m_operationMode == Test) {
 
         if (m_cliProps->isPasswordPrompt(line)) {
@@ -936,6 +940,12 @@
     return true;
 }
 
+bool CliInterface::readDeleteLine(const QString &line)
+{
+    Q_UNUSED(line);
+    return true;
+}
+
 bool CliInterface::handleFileExistsMessage(const QString& line)
 {
     // Check for a filename and store it.
diff --git a/plugins/cli7zplugin/cliplugin.h b/plugins/cli7zplugin/cliplugin.h
--- a/plugins/cli7zplugin/cliplugin.h
+++ b/plugins/cli7zplugin/cliplugin.h
@@ -38,6 +38,7 @@
     virtual void resetParsing() Q_DECL_OVERRIDE;
     virtual bool readListLine(const QString &line) Q_DECL_OVERRIDE;
     virtual bool readExtractLine(const QString &line) Q_DECL_OVERRIDE;
+    virtual bool readDeleteLine(const QString &line) Q_DECL_OVERRIDE;
 
 private:
     enum ArchiveType {
diff --git a/plugins/cli7zplugin/cliplugin.cpp b/plugins/cli7zplugin/cliplugin.cpp
--- a/plugins/cli7zplugin/cliplugin.cpp
+++ b/plugins/cli7zplugin/cliplugin.cpp
@@ -284,6 +284,18 @@
     return true;
 }
 
+bool CliPlugin::readDeleteLine(const QString &line)
+{
+    QRegularExpression rx(QStringLiteral("Error: .+ is not supported archive"));
+
+    if (rx.match(line).hasMatch()) {
+        emit error(i18n("Delete operation failed. Try upgrading p7zip or disabling the p7zip plugin in the configuration dialog."));
+        return false;
+    }
+
+    return true;
+}
+
 void CliPlugin::handleMethods(const QStringList &methods)
 {
     foreach (const QString &method, methods) {