--- a/samba/filepropertiesplugin/kauth/authhelper.cpp
+++ b/samba/filepropertiesplugin/kauth/authhelper.cpp
@@ -50,7 +50,7 @@ ActionReply AuthHelper::isuserknown(const QVariantMap &args)
     }
 
     QProcess p;
-    const auto program = QStringLiteral("pdbedit");
+    const auto program = QStringLiteral("@samba@/bin/pdbedit");
     const auto arguments = QStringList({QStringLiteral("--debuglevel=0"), QStringLiteral("--user"), username});
     p.setProgram(program);
     p.setArguments(arguments);
@@ -92,7 +92,7 @@ ActionReply AuthHelper::createuser(const QVariantMap &args)
     }
 
     QProcess p;
-    p.setProgram(QStringLiteral("smbpasswd"));
+    p.setProgram(QStringLiteral("@samba@/bin/smbpasswd"));
     p.setArguments({QStringLiteral("-L"), /* local mode */
                     QStringLiteral("-s"), /* read from stdin */
                     QStringLiteral("-D"),
@@ -155,7 +155,7 @@ ActionReply AuthHelper::addtogroup(const QVariantMap &args)
     p.setArguments(
         {QStringLiteral("group"), QStringLiteral("mod"), QStringLiteral("{%1}").arg(group), QStringLiteral("-m"), QStringLiteral("{%1}").arg(user.value())});
 #elif defined(Q_OS_LINUX) || defined(Q_OS_HURD)
-    p.setProgram(QStringLiteral("/usr/sbin/usermod"));
+    p.setProgram(QStringLiteral("@usermod@"));
     p.setArguments({QStringLiteral("--append"), QStringLiteral("--groups"), group, user.value()});
 #else
 #error "Platform lacks group management support. Please add support."
--- a/samba/filepropertiesplugin/groupmanager.cpp
+++ b/samba/filepropertiesplugin/groupmanager.cpp
@@ -18,7 +18,7 @@ GroupManager::GroupManager(QObject *parent)
 {
     QMetaObject::invokeMethod(this, [this] {
         auto proc = new QProcess;
-        proc->setProgram(QStringLiteral("testparm"));
+        proc->setProgram(QStringLiteral("@samba@/bin/testparm"));
         proc->setArguments({QStringLiteral("--debuglevel=0"),
                             QStringLiteral("--suppress-prompt"),
                             QStringLiteral("--verbose"),
--- a/samba/filepropertiesplugin/usermanager.cpp
+++ b/samba/filepropertiesplugin/usermanager.cpp
@@ -134,7 +134,7 @@ bool UserManager::canManageSamba() const
 void UserManager::load()
 {
     auto proc = new QProcess(this);
-    proc->setProgram(QStringLiteral("testparm"));
+    proc->setProgram(QStringLiteral("@samba@/bin/testparm"));
     proc->setArguments({QStringLiteral("--debuglevel=0"),
                         QStringLiteral("--suppress-prompt"),
                         QStringLiteral("--verbose"),