diff --git a/krArc/krarc.h b/krArc/krarc.h
--- a/krArc/krarc.h
+++ b/krArc/krarc.h
@@ -58,7 +58,7 @@
 
 public slots:
     void receivedData(KProcess *, QByteArray &);
-    void checkOutputForPassword(KProcess *, QByteArray &);
+    void check7zOutputForPassword(KProcess *, QByteArray &);
 
 protected:
     virtual bool   initDirDict(const QUrl &url, bool forced = false);
diff --git a/krArc/krarc.cpp b/krArc/krarc.cpp
--- a/krArc/krarc.cpp
+++ b/krArc/krarc.cpp
@@ -1737,12 +1737,11 @@
             }
         }
 
-        QString testCmd = tester + " t -y ";
         lastData = encryptedArchPath = "";
 
         KrLinecountingProcess proc;
-        proc << testCmd << fileName;
-        connect(&proc, &KrLinecountingProcess::newOutputData, this, &kio_krarcProtocol::checkOutputForPassword);
+        proc << tester << "-y" << "t" << fileName;
+        connect(&proc, &KrLinecountingProcess::newOutputData, this, &kio_krarcProtocol::check7zOutputForPassword);
         proc.start();
         proc.waitForFinished();
         encrypted = this->encrypted;
@@ -1752,7 +1751,7 @@
     }
 }
 
-void kio_krarcProtocol::checkOutputForPassword(KProcess * proc, QByteArray & buf)
+void kio_krarcProtocol::check7zOutputForPassword(KProcess * proc, QByteArray & buf)
 {
     KRFUNC;
     QString data =  QString(buf);